标题: 黑魔方系列：考研英语必备语法全突破 [打印本页]

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作者: 幽幽草    时间: 2007-11-7 14:11     标题: 黑魔方系列：考研英语必备语法全突破

第一编 考研必备语法精要速览
　　一、时态、语态
　　时态、语态需要掌握的要点：
　　1.以下几类动词一般不能用于进行时，同样不用于完成进行时：
　　(1)表示感知的动词：hear, feel, notice, recognize, see, taste, smell；
　　(2)表示意愿、情感的动词：desire, dislike, forgive, hate, like, love, prefer, refuse, want, wish, fear, love, hate；
　　(3)表示思考、看法的动词：believe, doubt, expect, forget, hope, feel, mean, know, agree, realize, mind, recall, recollect, remember, trust, suppose；
　　(4)表示所有、占有的动词：belong to, owe, own, possess, hold(容纳)；
　　(5)其他动词：cost, appear, concern, contain, consist, deserve, matter, seem。



　　如：
　　I’d say whenever you are going after something that is belonging to you, anyone who is depriving you of the right to have it is criminal.
　　(1997年考研题， belong表示归属，不用于进行式)
　　He was seeing somebody creeping into the house through the open window last night.
　　(1990年考研题，see表示结果，不用于进行式)
　　2. 不用will/shall表达将来时的形式：
　　(1)be going to表示现在的打算和意图；
　　(2)arrive, come, drive, go, leave, retire, return, set off, start, take off等表示移位的动词的进行体表示按计划肯定要发生的将来动作；
　　(3)be to (do)表示安排、计划、决定、命令或注定要发生的事，如：
　　Greater efforts to increase agricultural production must be made if food shortage is to be avoided.
　　(4)be about to (do)表示将要(做)，如：
　　Marlin is a young man of independent thinking who is not about to pay compliments to his political leaders.
　　(5)be on the point /verge of (doing)表示“马上就要”，一般不与表示将来的时间状语连用；
　　(6)be, begin, come, depart, get off, go, leave, return, start的一般现在时表示按日历或时刻表要发生的将来动作或事件，如：
　　If you want your film to be properly processed, you’ll have to wait and pick it up on Friday, which is the day after tomorrow.
　　(画线部分一般不用will be)
　　(7)在时间、条件、让步从句中，一般现在时代替将来时，但要注意区别从句的类型，如：
　　I don’t know where he will go tomorrow. 我不知道他明天去哪儿。(宾语从句)
　　I’ll tell him when you will ring again. 我告诉他你什么时候再来电话。(宾语从句)
　　比较：I’ll tell him when you ring again.你再打电话时我告诉他。(状语从句)
　　(8)在make sure, make certain, see (to it) 后的that从句中，谓语动词用一般现在时代替将来时，如：
　　See to it that you include in the paper whatever questions they didn’t know the answer to last time.
　　(include 不能用will include或其他形式)
　　3.完成时是时态测试的重点，注意与完成时连用的句型和时间状语：
　　(1)by/between/up to/till +过去时间、since、by the time/when +表示过去发生情况的从句，主句用过去完成时。如：
　　We had just had our breakfast when an old man came to the door.
　　Between 1897 and 1919 at least 29 motion pictures in which artificial beings were portrayed had been produced.
　　(表示1919年时已发生的情况)
　　(2)by +将来时间、by the time/ when +谓语动词是一般现在时的从句，主句用将来完成时。如：
　　By the time you arrive in London, we will have stayed in Europe for two weeks.
　　I hope her health will have improved greatly by the time we come back next year.
　　(3)by now、since +过去时间、in/during/for/over/the past/last few(或具体数字)years/days/months，主句用现在完成时, 但在it is +具体时间since/before这一句型中，主句更多的时候不用完成时。如：
　　The changes that howe taken place place in air travel during the last sixty years would have seemed completely impossible to even the most brilliant scientists at the turn of the 19th century.
　　It is four years since John left school.
　　(4)在It is the +序数词/形容词最高级+that的定语从句中，谓语动词常用现在完成时。如：
　　It isn’t the first time that I have found myself in an embarrassing situation.
　　(5)在no sooner…than…, hardly/scarcely…when/before…句型中，主句常用过去完成时。
　　(6)其他与完成时连用的时间状语：all this while, all this year, for some time, so far, already, before, just, long, yet等。
　　4.完成进行时指动作在完成时的基础上还要继续下去。如：
　　The company has been promising a rise in salary for ages, but nothing has happened.
　　The school board listened quietly as John read the demand that his followers had been demonstrating for.
　　时态、语态答题思路：
　　(1)先根据选项的区别点确定考题要点为时态，然后回到题句中寻找给出的或暗示的时间状语，缩小选择范围，进而选出正确答案；
　　(2)根据谓语动词与句子主语或非谓语动词与其逻辑主语的关系，确定句子是主动语态还是被动语态。
　　二、不定式
　　1.不定式做主语
　　(1)做形式主语的代词：
　　不定式做主语, 通常用it充当形式主语, 把做主语的不定式短语后置。 如：
　　It took me only five minutes to finish the job.
　　To be frank, it is a great relief to have the task fulfilled in so short a time.
　　(2)引导逻辑主语的介词：
　　不定式的逻辑主语一般由介词for引导,但下列表示人的性格行为特征的形容词做表语时, 不定式的逻辑主语则由of引导：
　　absurd, bold, brave, courageous, careful, careless, clever, wise, foolish, silly, stupid, good, nice, kind, thoughtful, considerate, greedy, generous, honest, modest, polite, rude, cruel, selfish, lazy, wicked, wrong。如：
　　Experts say walking is one of the best ways for a person to stay healthy.
　　It’s clever of you to have invented such a device.
　　(3)不定式做主语补足语：
　　掌握常用不定式做主语补足语的句型。注意不定式表示的动作发生的时间，并采用相应形式。如：
　　said
　　reported
　　thought
　　be to do sth.
　　believed
　　known
　　supposed
　　Byron is said to have lived on vinegar and potatoes.
　　The bank is reported in the local newspaper to have been robbed in broad daylight yesterday.
　　2.不定式做宾语
　　(1)必须接不定式做宾语的动词：
　　掌握要求接不定式做宾语的动词：
　　agree, afford, aim, arrange, appear, ask, attempt, choose, claim, decide, desire, determine, expect, fail, guarantee, hope, endeavor, intend, long, mean, manage, offer, ought, plan, pledge, pretend, prepare, promise, proceed, prove, resolve, refuse, request, swear, tend, try, venture, wait, wish。如：
　　Even though the children pretended to be asleep, the nurses were not deceived when they came into the room.
　　注意:
　　1)有的动词要求特殊疑问词+不定式做宾语, 这类动词有：
　　consider, discover, explain, forget, guess, know, learn, observe, remember, see, tell, understand, wonder，如：
　　While still a young boy, Bizet knew how to play the piano well and as he grew older, he wrote operas, the most famous of which is Carmen.
　　2)如果该特殊疑问词在不定式中做介词宾语, 介词往往置于该特殊疑问词的前面。如:
　　The professor can hardly find sufficient grounds on which to base his argument in favor of the new theory.
　　Without facts, we cannot form worthwhile opinion for we need to have factual knowledge upon which to base our thinking.
　　(2)可以用不定式做宾语补足语(复合宾语)的动词：
　　下列动词可以用不定式做宾语补足语(复合宾语)：
　　advise, allow, ask, beg, cause, command, compel, enable, determine, encourage, expect, feel, find, force, hate, have, hear, help, inform, invite, let, like, make, mean, need, notice, notify, oblige, order, permit, persuade, remind, request, require, see, send, teach, tell, tempt, trouble, urge, want, warn, watch, wish。
　　注意：画线动词后面的不定式不带to。
　　如：
　　Because of the recent accidents, our parents forbid my brother and me to swim in the river unless someone agrees to watch over us.
　　3.不定式做定语
　　(1)被修饰的名词前有序数词、形容词最高级或next, last, only, not a, the, very等限定词时，该名词用不定式做定语。如：
　　the first woman to set foot on the moon 第一个登上月球的女性
　　(2)如果其动词要求不定式做宾语，相应的名词一般用不定式做定语。如：
　　tendency to do→tend to do, decision to do→decide to do This book is an attempt to help you use English and recognize how it is used.
　　(3)如果其形容词形式要求接不定式做补语，相应的名词一般用不定式做定语。如：
　　ambition to do “干……的雄心”→be ambitious to do“有雄心干……”
　　curiosity to do “对……的好奇心”→be curious to do“对……好奇”
　　ability to do“做……的能力”→able to do“有能力做……”
　　According to Darwin, random changes that enhance a species’ ability to survive are naturally selected and passed on to succeeding generation.
　　(4)表示方式、原因、时间、机会、权利等名词用不定式做定语，这些名词包括：
　　way, method, reason, time, place, chance, occasion, opportunity, evidence, power, right, movement, drive (运动)，effort等。如：
　　I worked so late in the office last night that I hardly had time to catch the last bus.
　　We appreciate your efforts to bring about a comprehensive solution to the existing problem.
　　(5)不定代词something, nothing, little, much, a lot习惯上用不定式做定语。如：
　　Though we have made great progress, there is still much to be improved.
　　4.不定式做状语
　　不定式做状语主要表示目的、程度、结果、方式。
　　(1)in order to(do), so as to(do)结构引导目的状语，so as to不能置于句首。如：
　　To succeed in a scientific research project, one needs to be persistent .
　　I advise them to withdraw so as not to get involved.
　　(2)so…as to, such…as to, enough…to, too…to结构做程度状语。如：
　　The solution works only for couples who are self-employed, don’t have small children and get along well enough to spend most of their time together.
　　The vocabulary and grammatical differences between British and American English are so trivial and few as hardly to be noticed.
　　(3)不定式做结果状语只能出现在句子的末尾，表示不愉快的结果，有时用only加强语气。
　　常见的不定式动词有find, hear, see, be told, form, give, make, produce等。如：
　　Greatly agitated, I rushed to the apartment and tried the door, only to find it locked.
　　(4)not/never too… to, too… not to, but/only too…to, too ready/eager/apt/inclined to 表示肯定意义。如：
　　I am only too pleased to hear from you further. 能再听到你的消息，我太高兴了。
　　三、动名词
　　1.必须接动名词做宾语的动词
　　牢记下列要求接动名词做宾语的动词：
　　acknowledge, advocate, anticipate, appreciate, advise, avoid, admit, confess, consider, defend, delay, deny, dislike, enjoy, escape, excuse, fancy, favor, finish, forgive, imagine, include, involve, justify, keep mind, miss, mention, pardon, practice, postpone, permit, report, resent, resume, recall，recollect，risk, resist, suggest, tolerate。如：
　　Although a teenager, Fred could resist being told what to do and what not to do.
　　I appreciate having been given the opportunity to study abroad two years ago.
　　2.动名词做介词短语
　　考生尤其要识别下列短语中的to是介词，不是不定式符号：
　　object to, resort to, react to, contribute to, look forward to, be accustomed to, be committed to, be exposed to, be subjected to, be devoted to, be dedicated to, be opposed to, be reconciled to, be contrary to, be (get) used to, come close to, get down to, give oneself up to, prefer…to, see to, set to, take to, in addition to, with regard to, with a view to, on the way to。如：
　　There was no sign that Mr. Jospin , who keeps a firm control on the party despite having resigned from leadership of it, would intervene personally.
　　Our modern civilization must not be thought of as having been created in a short period of time.
　　Nowhere in nature is aluminum found free, owing to its always being combined with other elements, most commonly with oxygen.
　　As the children become financially independent of the family, the emphasis on family financial security will shift from protection to saving for the retirement years.
　　Everyone with half an eye on the unemployment figures knew that the assertion about economic recovery being just around the corner was untrue.
　　四、分词
　　分词起形容词和副词的作用，在句中做定语或状语。在概念上考生应清楚：
　　● 现在分词表示主动，表示动作在进行。
　　● 过去分词表示被动，表示动作结束了的状态或结果。
　　1.分词做定语，弄清现在分词与过去分词的区别
　　分词短语做定语相当于省略了的定语从句，考生应掌握：
　　(1)现在分词与被修饰词之间具有主动意义。如：
　　It’s easy to blame the decline of conversation on the pace of modern life and on the vague changes taking place in our ever-increasing world.(相当于the changes which take place...)
　　There was a very interesting remark in a book by an Englishman that I read recently giving what he thought was a reason for this American characteristic.(相当于which gave...)
　　How many of us attending, say, a meeting that is irrelevant to us would be interested in the discussion?(相当于How many of us who will attend...)
　　(2)过去分词与被修饰词之间具有被动意义。如：
　　Good news was sometimes released prematurely, with the British recapture of the port announced half a day before the defenders actually surrendered.
　　(相当于…recapture of the port which had been announced…)
　　Just as the value of a telephone network increases with each new phone added to the system, so does the value of a computer system increase with each program that turns out.
　　(相当于…each new phone which is added to…)
　　The author gave a detailed description based on his personal observation of nature.
　　(相当于…description which was based on…)
　　(3)下列不及物动词也以过去分词形式做定语或表语，但不具有被动意义：
　　deceased, departed, elapsed, faded, fallen, gone, grown-up, retired, returned, risen, set, vanished, much-travelled, newly arrived, recently come。如：
　　an escaped prisoner一个逃犯
　　a retired worker一位退休工人
　　a faded curtain一个褪了色的窗帘
　　a newly arrived student一个新来的学生
　　2.分词做状语，注意区分分词的一般式与完成式
　　(1)表示时间，多置于句首，注意如果分词表示的动作的时间先于谓语动词，要用完成式。如：
　　Having completed one task, we started on another one.
　　(complete先于start之前发生)
　　(2)表示原因，置于句首句尾均可，根据情况有时要用完成式，有时用一般式。如：
　　He wasn’t asked to take on the chairmanship of the society, being considered insufficiently popular with all members.
　　There seemed little hope that the explorer, having been deserted in the tropical forest, would find his way through it.
　　(3)表示伴随、方式，置于句尾，用分词的一般式。如：
　　Helen borrowed my dictionary the other day saying that she would return it soon.
　　Anna was reading a piece of science fiction, completely lost to the outside world.
　　(4)表示结果，置于句尾，用分词的一般式。如：
　　The city found itself in a crisis situation last summer when the air conditioning on dozens of the new buses broke down, them unusable.
　　(5)表示补充说明(同位)，置于句尾，用分词的一般式。如：
　　The article opens and closes with descriptions of two news reports, each making one major point in contrast with the other.
　　Ford tried dividing the labor, each worker assigned a separate task.
　　3.分词的独立主格结构
　　分词的逻辑主语一般为句子的主语，否则分词短语要有自己的逻辑主语，称为分词独立主格结构。分词独立主格结构只是句子的一个部分，但在翻译时经常译成独立的句子，考生要注意英汉两种语言在结构上的区别。如：
　　All flights having been canceled because of the snowstorm, we decided to take the train.
　　Darkness setting in, the young couple lingered on merrymaking.
　　4.分词做表语和补语，尤应注意由使役动词变来的分词的形式
　　(1)现在分词表示主语或宾语的特征，多以事物做(逻辑)主语。如：
　　His victory in the final was no more convincing than I had expected.
　　(2)过去分词表示主语或宾语所处的状态或对某事的心理反应和感受，多以人做(逻辑)主语。如：
　　These students are quick at learning. We’ll have them trained in new methods.
　　People cannot but feel puzzled. For they simply cannot understand how he could have made such a stupid mistake.
　　五、非谓语动词的其他考点
　　1.接不定式或动名词做宾语都可以，但在意思上有区别的动词的用法
　　mean to do想要(做某事) propose to do 打算(做某事)
　　mean doing意味(做某事) propose doing建议(做某事)
　　forget to do忘记(要做的事) remember to do记得(要做某事)
　　forget doing忘记(已做的事) remember doing记得(已做过的事)
　　go on to do继而(做另一件事) stop to do停下来去做另一件事
　　go on doing继续(做原来的事) stop doing停止正在做的事
　　regret to do(对将要做的事)遗憾 regret doing(对已做过的事)后悔
　　如：
　　Mr. Jankin regretted having blamed his secretary for the mistake, for he later discovered it was his own fault.
　　The boy is constantly being told not to scratch the paint off the wall, but he goes on doing it all the same.
　　2.不定式的习惯用法
　　句型：cannot help but do cannot but do
　　cannot choose but do can do nothing but do
　　have no choice/alternative but to do
　　上述句型的意思接近，即“不得不做”、“不禁做”、“不由自主地做”、“不能不做”、“只能做”。其共同的特点是都有一个否定词和but。如：
　　Nobody can help but be fascinated by the world into which he is taken by the science fiction.When I consider how talented he is as a painter, I cannot help but believe that the public will appreciate his gift.
　　3.动名词的习惯用法
　　句型：be busy/active doing sth. have difficulty/trouble/problem doing sth.
　　It’s no good/use/picnic doing sth. have a good/great/wonderful time doing sth.
　　spend/waste time doing sth. There is no point/sense/harm/ use doing sth.
　　cannot help doing sth. There is no doing sth.
　　I know it isn’t important but I can’t help thinking about it.
　　Alice was having trouble controlling the children because there were so many of them.
　　There is no use crying over spilt milk.
　　4.there be 非谓语动词的用法
　　(1)做宾语时取决于谓语动词的持续要求。如：
　　The students expected there to be more reviewing classes before the final exams.
　　(expect要求接不定式做宾语)
　　(2)做目的状语或程度状语时用for there to be，做其他状语用there being。如：
　　For there to be successful communication, there must be attentiveness and involvement in the discussion itself by all present.
　　(for there to be…在句中做目的状语)
　　It isn’t cold enough for there to be a frost tonight, so I can leave Jim’s car out quite safely.
　　(for there to be…在句中做程度状语)
　　There being no further questions, we’ll stop here today.
　　(there being…做原因状语)
　　(3)引导主语用for there to be。如：
　　It is unusual for there to be no late comers today.
　　(4)做除for外的介词宾语，用there being。如：
　　He would always ignore the fact of there being such a contradiction in his inner thought.

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作者: 幽幽草    时间: 2007-11-7 14:16     标题: 黑魔方系列：考研英语必备语法全突破

六、虚拟语气

　　1.主从句谓语动词的时态

　　(1)掌握主从句谓语动词的规范搭配:

　　 主句 从句

　　与现在事实相反 would/情态动词过去式+do were (不分人称)/did

　　与过去事实相反 would/情态动词过去式+have done had done

　　与将来事实相反 would/情态动词过去式+do should do

　　如：

　　If the doctor had been available, the child could not have died.

　　There is a real possibility that these animals could be frightened, should there be a sudden loud noise.

　　(2)区分主从句表示的不同时间概念：

　　主从句谓语动词所指时间不同，这叫做错综时间条件句，动词形式应根据实际情况来调整。



如：

　　Had it not been for the timely investment from the general public, our company would not be so thriving as it is.

　　(主句与现在事实相反，从句与过去事实相反)

　　Had Paul received six more votes in the last election, he would be our chairman now.

　　(主句与现在事实相反，从句与过去事实相反)

　　(3)识别事实和假设混合句：

　　Your math instructor would have been happy to give you a make-up examination had you gone and explained that your parents were ill at the time.

　　(句子前半部分为假设情况，而“父母病了”是事实)

　　I would have gone to visit him in the hospital had it been at all possible, but I was fully occupied the whole of last week.

　　(前半部分为假设，后半部分是事实)

　　2.名词性从句的虚拟形式

　　名词性从句是指宾语从句、主语从句、表语从句和同位语从句。从句的谓语动词需用(should+)动词原形表示虚拟。考生应熟悉：

　　(1)下列动词做谓语时，that宾语从句中的动词用虚拟形式：

　　desire, advise, recommend, command, direct, order, ask, demand, request, require, insist, maintain, move, propose, prefer, urge, vote。如：

　　In the past men generally preferred that their wives work in the home.

　　I move that he be discharged for his serious mistake.

　　(2)下列形容词和分词做表语或补语时，that主语从句中动词用虚拟形式：

　　advisable, desirable, insistent, preferable, urgent, appropriate, compulsory, crucial, essential, imperative, important, necessary, obligatory, possible, probable, proper, vital, advised, arranged, commanded, demanded, desired, ordered, proposed, recommended, requested, required, suggested。如：

　　The board deem it urgent that these files should be printed right away.

　　It is essential that all these figures be checked twice.

　　(3)下列名词接同位语从句或表语从句时，从句中动词用虚拟形式：

　　insistence, preference, recommendation, suggestion, proposal, motion, desire, re-quirement, request, order, necessity, importance, regulation, rule, resolution, understanding。如：

　　John Wagner’s most enduring contribution to the study of Afro-American poetry is his insistence that it be analyzed in a religious, as well as worldly, frame of reference.

　　They keep telling us it is of utmost importance that our representative be sent to the conference on schedule.

　　3.含蓄虚拟条件句的谓语动词形式

　　含蓄虚拟语气是指假设条件不通过if从句表达，而是暗含在其他结构中。考生应熟悉：

　　(1)连词but, but that, or, or else；副词otherwise, unfortunately等表示转折假设。如：

　　A safety analysis would have identified the target as a potential danger. Unfortunately, it was never done.

　　Victor obviously doesn’t know what’s happened; otherwise he wouldn’t have made such a stupid remark.

　　(2)介词短语暗含假设条件，常用的有：without, but for, under more favorable conditions等。如：

　　But for the English examination I would have gone to the concert last Sunday.

　　(3)intended/meant/hoped/wished/planned或was/were +不定式完成式或had intended/meant/planned/hoped/wished

　　+不定式一般式暗示虚拟语气。如：

　　I intended to have called on you, but I was busy at that time.

　　(4)情态动词完成式暗示虚拟语气。如：

　　I should have called to make an airline reservation, but I didn’t.

　　4.常用虚拟形式的句型

　　(1)从句中动词用过去式或过去完成式表示虚拟的句型：

　　would rather would as soon as though suppose…

　　had rather would sooner as if supposing…

　　If only… It is (high) time that…(从句中动词只用过去式)

　　如：

　　His wife would rather they didn’t talk about the matter any more.

　　I’d rather you went by train, because I can’t bear the idea of your being in an airplane in such bad weather.

　　If I were in a movie, then it would be about time that I buried my head in my hands for a cry.

　　My father always talks as though he were addressing a public meeting.

　　(2)If it were not for… (与现在事实相反)

　　If it had not been for… (与过去事实相反) 相当于but for。如：

　　If it had not been for his help (= but for his help), we would not have succeeded.

　　(3)If only…谓语动词视情况选用适当的形式。如：

　　If only the committee would approve the regulations and put them into effect as soon as possible.

　　(4)lest/for fear that/in case 从句谓语用(should+)动词原形。如：

　　The mad man was put in the soft-padded cell lest he injure himself.

　　(5)whether…or…有时谓语用be的原形，引导让步虚拟从句，这种用法经常采用倒装结构。如：

　　Church as we use the word refers to all religious institutions, be they Christian, Islamic, Buddhist, Jewish, and so on.

　　The business of each day, be it selling goods or shipping them, went quite smoothly.

　　七、情态动词

　　注意情态动词完成式的用法有两方面的含义：

　　1.表示已经发生的情况

　　(1)must have +过去分词，表示对已发生情况的肯定推测，译为“(昨天)一定……”。如：

　　My pain must have been apparent the moment I walked into the room, for the first man I met asked sympathetically: “Are you feeling all right?”

　　(2)cant/couldn’t have +过去分词，表示对已发生情况的否定推测，译为“(昨天)一定没……”。 如：

　　Mary couldn’t have received my letter; otherwise she would have replied before now.

　　(3)may/might have +过去分词，表示对已发生的事情做不肯定、可能性很小的推测，或事实上根本没发生，译为“也许……”。如：

　　At Florida Power’s Crystal River plant, a potentially serious leakage of radioactive water may have been unknowingly caused by an electrician.

　　2.表示虚拟语气

　　(1)needn’t have+过去分词，表示做了不必做的事，译为“其实没必要……”。如：

　　As it turned out to be a small house party, we needn’t have dressed up so formally.

　　(2)should /should not have +过去分词，表示应该做某事但实际上未做，或本不应该做但实际上做了, 译为“本(不)应该……”。如：

　　I regret having left the work unfinished; I should have planned everything ahead carefully.

　　(3)ought to have+过去分词，表示动作按理该发生了，但实际上未发生，译为“该……”，与should的完成式含义类似。如：

　　The porter ought to have called the fire-brigade as soon as he saw the fire in the stock, which went up in smoke.

　　(4)could have+过去分词，表示过去本来可以做但却未做，译为“完全可以……”。如：

　　What you said is right, but you could have phrased it more tactfully.

　　(5)may/might have + 过去分词，表示过去可以做但实际未做，译为“(那样)也许会……”。如：

　　It might have been better to include more punchy statistics and photos of equipment in the introduction to further assist first-time office automation managers.

　　3.几个情态动词常考的句型

　　(1)may/might (just) as well“不妨，最好”，与had better相近。如：

　　Since the flight was cancelled, you might as well go by train.

　　(2)cannot/can’t…too… “越……越好，怎么也不过分”。注意这个句型的变体cannot…over…。如：

　　You cannot be too careful when you drive a car.

　　The final chapter covers organizational change and development. This subject cannot be overemphasized.

　　(3)usedn’t或didn’t use to为used to (do)的否定式。

　　(4)should 除了“应该”一层意思外，考研大纲还规定要掌握其“竟然”的意思。如：

　　I didn’t expect that he should have behaved like that.

　　八、形容词、副词及其比较级

　　1.形容词的句法功能

　　形容词在句中做定语、表语和主语。考生应注意：

　　(1)以 “a” 开头的形容词如alone, alike, asleep, awake等不能做前置定语，可做表语或后置定语。

　　(2)某些以副词词缀 “-ly” 结尾的词是形容词，如friendly, leisurely, lovely等。

　　(3)下列动词既是实义动词又是系动词，注意用做系动词时，要求形容词做表语：remain, keep, become, get, grow, go, come, turn, stay, stand, run, prove, seem, appear, look。如：

　　All those left undone may sound great in theory, but even the truest believer has great difficulty when it comes to specifics.

　　2.副词主要测试其修饰作用

　　考生应了解：副词可修饰谓语动词、非谓语动词、形容词、副词、介词短语、整个句子。如：

　　This pair of shoes isn’t good, but that pair is hardly better.

　　(与前半句的否定意义吻合)

　　It’s essential that people be psychologically able to resist the impact brought about by the transition from planned economy to market economy.

　　Andrew, my father’s younger brother, will not be at the picnic, much to the family’s disappointment.

　　Most of us are of the opinion that this set of training program is among the most wisely devised ones we have seen so far.

　　3.考比较级时，考生应把握

　　(1)形容词和副词比较级的形式是否和比较连词对应出现，即是否符合原级比较及比较级的结构。如：

　　Do you enjoy listening to records? I find records are often as good as, or better than an actual performance.

　　On the whole, ambitious students are more likely to succeed in their studies than are those with little ambition.

　　(2)比较的成分是否属于同类事物或同类概念。如：

　　The number of registered participants in this year’s marathon was half that of last year’s.

　　Young readers, more often than not, find the novels of Dickens far more exciting than Thackeray’s.

　　(3)比较级的修饰语如 a little, a lot, the, any, even, far, hardly, lots, much, rather，还有表示倍数比较的词等，他们的位置是：修饰语+as…as…, 或修饰语+more…than…。如：

　　Smoking is so harmful to personal health that it kills seven times more people each year than automobile accidents.

　　“Do you regret paying five hundred dollars for the painting?” “No, I would gladly have paid twice as much for it.”

　　(4)下列词和短语不用比较级形式却表示比较概念：

　　inferior，minor，senior，prior，prefer to，superior，major，junior，preferable，differ from，compared with，in comparison with，different from，rather than。如：

　　Their watch is superior to all the other watches on the market.

　　4.最高级形式应注意的问题

　　(1)最高级比较范围用介词in, over, of, among。

　　in, (all)over用于在某一范围内的比较，如：in China, all over the world； of, among 用于在同一群体内同类事物的比较，如：among the teachers, of the four dresses。

　　注意：among…相当于one of…，不说among all…。这一点考生应与汉语表达区别开来。如：

　　Of all visible lights, red light has the longest and violet the shortest wavelength.

　　(2)比较级形式表示最高级意义时，比较对象的范围应用：

　　any other +单数名词

　　the other +复数名词

　　the others

　　anyone/anything else

　　上述词是用来将比较级结构转变成最高级意义的关键词语，切不可遗漏，否则会造成逻辑混乱的错误。如不能说：John runs faster than anyone.注意与汉语表达的不同。

　　5.有关比较级的特殊句型

　　(1)not so much…as…与其说……不如说……

　　The chief reason for the population growth isn’t so much a rise in birth rates as a fall in death rates as a result of improvements in medical care.

　　(2)no/not any more…than…两者一样都不……The heart is no more intelligent than the stomach, for they are both controlled by the brain.

　　There is no reason they should limit how much vitamin you take, any more than they can limit how much water you drink.

　　(3)no /not any less…than…两者一样都……She is no less beautiful than her sister.

　　(4)just as…so….正如……，……也……(用倒装结构)Just as the soil is a part of the earth, so is the atmosphere.

　　九、平行结构

　　1.注意由并列连词或等立连词连接的成分在语法形式上是否相同，即都是形容词，或都是介词短语，或都是不定式，或都是动名词，或都是句子等。如：

　　Symposium talks will cover a wide range of subjects from overfishing to physical and environmental factors that affect the populations of different species.

　　In the teaching of mathematics, the way of instruction is generally traditional, with teachers presenting formal lectures and students taking notes.

　　2.注意比较结构中相比较的内容在语法形式上是否相同。如：

　　It is better to die on one’s feet than to live on one’s knees.

　　Despite the temporary difficulties, the manager prefers increasing the output to decreasing it.

　　3.其他具有并列或比较意义的短语。

　　(1)rather than, let alone 虽不是并列连词，但在结构上连接两个语法形式相同的成分。如：

　　We are taught that a business letter should be written in a formal style rather than in a personal style.

　　For the new country to survive, let alone for its people to enjoy prosperity, new economic policies will be required.

　　(2)如果平行的两个成分在形式上是介词短语，而且介词相同，一般说来第二个介词不要省略。如：

　　At times, more care goes into the composition of newspaper and magazine advertisements than into the writing of the features and editorials.

　　十、代词

　　1.与所指代的名词在性、数、格上是否一致

　　如：Each cigarette a person smokes does some harm, and eventually he may get a serious disease from its effect.

　　It was during the 1920’s that the friendship between the two American writers Hemingway and Fitzgerald reached its highest point.

　　Our department was monitored by two supervisors, Bill and me.

　　2.that的指代作用

　　that指代不可数名词和单数可数名词(如是复数，用those)，后面通常跟有修饰语，如出现在比较结构中的that of。如：

　　Conversation calls for a willingness to alternate the role of speaker with that of listener, and it calls for occasional “digestive pauses” by both.

　　No bread eaten by man is so sweet as that earned by his own labor.

　　3.one的指代作用

　　one指代带不定冠词的单数可数名词，复数为ones。the one 指代带定冠词的单数可数名词。如：

　　A good writer is one who can express the commonplace in an uncommon way.

　　4.do的替代作用

　　do代替动词，注意数和时态的变化。如：

　　For him to be re’elected, what is essential is not that his policy works, but that the public believe that it does.

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作者: 幽幽草    时间: 2007-11-7 14:18     标题: 黑魔方系列：考研英语必备语法全突破

十一、主谓一致问题

　　主谓一致是指主语与谓语在数上要一致。把握主谓一致问题，考生主要解决的是对不同结构的主语单复数的认定，进而选择适当的谓语。

　　1.主谓一致常出现在主谓倒装结构中。



如：

　　Just outside the ruins is a magnificent building surrounded by tall trees.

　　Although a great number of houses in that area are still in need of repair, there has been improvement in the facilities.

　　2.主语与谓语之间有定语从句或其他结构修饰，所以距离较远，考生易误认主语。如：

　　The amount of pressure which the materials are subject to affects the quality of the products.

　　3.关系代词做主语的定语从句中，谓语的数要与先行词一致。如：

　　Despite much research, there are still certain elements in the life cycle of the insect that are not fully understood.

　　There are many valuable services which the public are willing to pay for, but which do not bring a return in money to the community.

　　4.动名词短语、不定式短语、名词性从句做主语，谓语用单数。如：

　　Buying clothes is often a time-consuming job because those clothes that a person likes are rarely the ones that fit him or her.

　　To understand the situation completely requires more thought than has been given thus far.

　　5.主语带有(together/along)with, such as, as well as, accompanied by, including, rather than 等附加成分, 谓语的数不受附加成分的影响。如：

　　The president of the college, together with the deans, is planning a conference for the purpose of laying down certain regulations.

　　6.表示时间、距离、金额、重量、面积、体积、容积等度量的名词短语做主语时，谓语用单数。

　　7.某些固定结构中谓语的数：

　　a great many + 可数名词复数 谓语用复数

　　many a + 可数名词单数 谓语用单数

　　a number of +可数名词复数 谓语用复数

　　the number of +可数名词复数 谓语用单数

　　the majority of +可数名词复数 谓语用复数

　　each/every +可数名词单数 谓语用单数

　　neither/either of +可数名词复数 谓语用单数

　　more than one +可数名词单数 谓语用单数

　　one and a half +可数名词复数 谓语用单数

　　the greater part of

　　a large proportion of

　　50% of

　　谓语的数与of后面的名词一致

　　one third of

　　plenty of

　　the rest of

　　十二、倒装结构

　　倒装是指句子成分不是按主语在前、谓语在后的正常语序排列，而是将谓语或谓语的一部分移到主语之前。倒装是一种修辞手段，目的是为了强调。倒装分为部分倒装和全部倒装，考试多为部分倒装。考生应掌握什么情况下需要倒装。

　　1.下列否定词及含有否定意义的词组修饰状语时，若置于句首，句子的主谓要部分倒装

　　never, no, neither, not only, hardly, scarcely, little, seldom, rarely, not until, nowhere, at no time, on no account, in no respect, in no sense, by no means, in no way, no longer, no less, no more, no sooner than, under no circumstances, in vain, still less。如：

　　Not only is its direct attack on their discipline, it bypasses the essence of what sociologists focus on.

　　Under no circumstances should we do anything that will benefit ourselves but harm the interests of the state.

　　2.以only修饰状语开头的句子，句子的主谓要部分倒装

　　only then, only at that time, only once, only in this way, only with, only through, only by, only when, only after, only because。如：

　　Only when you have obtained sufficient data can you come to a sound conclusion.

　　3.以下列副词或短语开头的句子，句子的主谓要部分倒装

　　often, so, well, to such a degree, to such an extent, to such extremes, to such a point，many a time。如：

　　So involved with their computers do the children become that leaders at summer computer camps often have to force them to break for sports and games.

　　4.以下列副词开头的句子，句子的主谓要全部倒装

　　(1)出于修辞需要，表示方向的副词：out, down, in, up, away, on。如：

　　Down jumped the burglar from the tenth floor when he heard someone shouted at him.

　　(2)出于习惯用法：here, there, now, thus, hence, then。如：

　　Now is your turn. There goes the bell.

　　(3)有时主语较长，为了使句子平衡，避免头重脚轻，主谓要全部倒装。这种情况多出现在主系表结构中。如：

　　Less important than ever is developing a meaningful philosophy of life.

　　In between these two extremes are those people who agree with the jury system as a whole, but feel that some changes need to be implemented to improve its effectiveness.

　　5.让步从句的倒装

　　(1)as引导让步状语从句，必须采用倒装结构，但不是主谓倒装，而是将被强调的内容置于句首。如：

　　Much as I have traveled, I have never seen anyone to equal her, in thoroughness, whatever the job.

　　(2)出现在句型be+主语+其他, come what may中。如：

　　While it’s true that we all need a career, preferably a profitable one, it is equally true that our civilization has accumulated an incredible amount of knowledge—be it scientific or artistic.

　　The business of each day, be it selling goods or shipping them, went quite smoothly.

　　Come what may, I’ll be on your side.

　　6.比较从句的倒装

　　as, than引导的比较从句中，如果主语是名词短语且较长，经常采用倒装结构(不倒装也可以)。注意：这种结构主语一般为名词，如果是代词则不倒装。如：

　　Hydrogen burns much more cleanly than do other fuels and is easy to produce.

　　Today’s electric cars cannot go as fast as gasoline-driven vehicles because the battery does not offer the same amount of energy as does gasoline combustion.

　　Reading is to the mind as is exercise to the body.

　　(1)如果谓语动词是单个实义动词，倒装时需根据人称和时态加助动词do。如：

　　Little did we expect that he would fulfill his task so rapidly.

　　(2)考生要广义理解“句首”的概念，注意从句的句首和并列分句的句首均为句首。如：

　　Suddenly, Gallup’s name was on everyone’s lips; not only was he the prophet of the moment, but it was generally believed that he had founded a new and most important method of prediction.

　　十三、复合句——形容词性(定语)从句

　　定语从句的测试重点：选择正确的关系代词或关系副词。

　　切记：关系代词/副词一定要在从句中充当某种成分，即主语、宾语、表语或定语。指人时用who(做主语)、whom(做宾语)、whose(做定语)；指物时用which或that；指时间用when；指地点用where；指原因用why。此外还要注意如下几个问题：

　　1.尤其要注意whose的用法

　　whose在从句中做定语，修饰名词。所以，如果关系代词后面紧接的是名词，且关系代词又不在从句中做主语或宾语，那么，这个关系代词就应该是whose。如：

　　Of course developing a system for helping students whose needs are out of the ordinary had been a necessary step in helping those students get into the world of public education.

　　It is perhaps not an exaggeration to say that we shall soon be trusting our health, wealth and happiness to elements with whose very names the general public are unfamiliar.

　　2.介词 + which的用法

　　如果从句中主宾成分齐全，考生便可考虑关系代词是否在从句中做状语，而状语通常用介词短语充当，于是可以得知，关系代词前面应有介词，再分析所给的选项，根据与名词的搭配作出正确选择。如：

　　Children are best served when schools contribute to shaping the solid foundation on which their future will be built.

　　However, the batteries from which they(electric vehicles) draw energy usually contain harmful chemicals, which become pollutants when the batteries are disposed of.

　　We are not conscious of the extent to which work provides the psychological satisfaction that can make the difference between a full and an empty life.

　　3.非限定性定语从句前面有逗号标志，按汉语习惯通常翻译成两个句子

　　切记：与汉语不同的是，英语中两个句子之间一般说来不能用逗号断开，而要用适当的连词或关系代词使它们形成从属或并列关系。据此可判断出逗号后面一句应由起连接作用的词开头。注意：有时关系代词前面还有其他附加成分。如：

　　Biologists believe that rainforests are the home of perhaps half the world’s biotic species, about five-sixth of which have not yet been described and named.

　　There are two spare rooms in the building, neither of which has been provided with modern facilities.

　　4.as 与which用作关系代词的区别

　　(1)as与the same, such, so, as等关联使用。如：

　　As the forest goes, so goes its animal life.

　　(2)as和which都可以引导非限定性定语从句，但as在句中的位置比较灵活，可出现在句首、句中、句末，而which只能出现在句末，尤其是当先行词是整个句子时。如：

　　As is true in all institutions, juries are capable of making mistakes.

　　As is generally accepted, economic growth is determined by the smooth development of production.

　　常见的这类结构有：

　　as has been said before, as has been mentioned above, as can be imagined, as is known to all, as has been announced, as can be seen from these figures, as might/could be expected, as is often the case, as has been pointed out,

　　as often happens, as will be shown等。

　　5.关系代词that与which用于引导定语从句的区别

　　(1)如果关系代词在从句中做宾语，用that, which都可以，而且可以省略；

　　(2)先行词是不定代词anything, nothing, little, all, everything时，关系代词用that；

　　(3)先行词由形容词最高级或序数词修饰或由next，last, only, very修饰时，用that；

　　(4)非限定性定语从句只能用which引导；

　　(5)关系代词前面如果有介词，只能用which。

　　6.but做关系代词，用于否定句，相当于who…not, that…not

　　这个结构的特点是主句中常有否定词或含有否定意义的词。如：

　　There are few teachers but know how to use a computer.

　　There is no complicated problem but can be solved by a computer.

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作者: 幽幽草    时间: 2007-11-7 14:19     标题: 黑魔方系列：考研英语必备语法全突破

十四、复合句——名词性从句

　　一个句子起名词的作用，在句中做主语、宾语／介词宾语、表语、同位语，那么这个句子就是名词性从句。

　　1.what/whatever的用法

　　考生应把握：what是关系代词，它起着引导从句并在从句中担当一个成分这两个作用。



如：

　　They lost their way in the forest, and what made matters worse was that night began to fall.

　　(what既引导主语从句又在从句中做主语)

　　Water will continue to be what it is today—next in importance to oxygen.

　　(what既引导表语从句又在从句中做表语)

　　2.whoever和whomever的区别

　　whoever和whomever相当于anyone who，用主格与宾格取决于其在从句中做主语还是做宾语。如：

　　They always give the vacant seats to whoever comes first.

　　(whoever在从句中做主语)

　　3.有关同位语从句的问题

　　(1)下列名词常用做同位语的先行词：

　　appeal, belief, conclusion, condition, conviction, doubt, evidence, fact, fear, feeling, ground(s),hope, idea, likelihood, message, news, opinion, order, plan, point, possibility, problem, promise,reply, proof, proposal, question, rumor, sign, story, suggestion, suspicion, theory, thought, truth, trouble, understanding, worry。如：

　　I have no doubt that he will overcome all his difficulties.

　　One sign that you are making progress in an art such as painting or photography is that you begin to realize how much there is to learn.

　　(2)引导词通常为that, 但有时因名词内容的需要，也可由whether及连接副词why, when, where,how引导。that不表示任何意义，其他词表示时间、地点、原因等。如：

　　The problem, where I will have my college education, at home or abroad, remains untouched.

　　The fact that she was a few minutes late is no reason for discharging her.

　　(3)同位语从句有时与先行词隔开，注意识别。如：

　　Evidence came up that specific speech sounds a

　　re recognized by babies as young as 6 months old.

　　(4)同位语从句与定语从句的区别：

　　● 从意义上看，同位语从句说明名词的具体内容，定语从句则对名词进行限定、修饰；

　　● 从结构上看，同位语从句的引导词不在从句中充当任何语法成分，定语从句的引导词在从句中必须充当一定的句子成分；

　　● 从先行词的词义特点看，同位语从句的先行词表达的是抽象内容，这类词数量有限，而定语从句的先行词则没有任何限制。

　　4.whether与if在引导名词性从句时的区别

　　(1)主语从句只能用whether引导；

　　(2)whether一般多用于宾语从句的肯定式，而if引导的从句可以有否定式；

　　(3)whether or not可以连在一起用，而if or not则不能，or not只能放在句末；

　　(4)whether可以引导介词宾语从句，if则不能；

　　(5)宾语从句提至谓语前面时，只能用whether引导；

　　(6)在question, ask后面一般只用whether，question的同位语从句也用whether引导；

　　(7)后接不定式时，只能用whether。

　　5.动词believe, expect, fancy, imagine, suppose, think后的宾语从句如为否定式，一般将否定词转移到主句谓语上，这一点在翻译时要注意与汉语表达的区别

　　十五、复合句——副词性(状语)从句

　　副词在句中起状语作用，故如果起状语作用的部分为一个句子，那么该句便是副词性从句，也称状语从句。状语从句可细分为：时间、地点、条件、原因、让步、目的、结果、比较、方式等。

　　状语从句的测试重点为：考查考生对主从句之间逻辑意义关系的把握，看其是否能选择正确的从属连词。

　　对于常见的状语从句和从属连词的常规用法，本书不想赘述，只谈谈常见从属连

　　词的特殊用法并提醒考生应注意的地方。

　　1.条件状语从句的常考知识点

　　(1)if与unless的用法。

　　if和unless都是引导条件状语从句的连词，考生应尤其注意unless的用法，因为它表示反面条件，相当于if not“如果不”、“除非”。如：

　　Even if automakers modify commercially produced cars to run on alternative fuels, the cars won’t catch on in a big way unless drivers can fill them up at the gas station.

　　In debating, one must correct the opponent’s facts, deny the relevance of his proof, or deny that what he presents as proof, if relevant, is sufficient.

　　(2)复合连词as long as，so long as，as far as，on condition that，in the event that；动词及分词provided(that)，providing(that)，given that, suppose/supposing(that)，assuming，say等引导条件状语从句。如：

　　If left alone by humans, they (the forests) can regenerate, as long as there are seed trees in the neighborhood and the soil has not lost all its nutrients.

　　You can arrive in Beijing earlier for the meeting provided you don’t mind taking the night train.

　　Assuming he is diligent in his studies at ordinary times, he is sure to pass the test.

　　In the event that she has not been informed, I will tell her.(如果……)

　　You can go swimming on condition that you don’t go too far from the river bank.(如果……)

　　Suppose it rained, we would still go.(假如……)

　　Say it were true, what would you do about it? (假如……)

　　(3)祈使句表示条件。如：

　　Talk to anyone in the drug industry, and you’ll soon discover that the science of genetics is the biggest thing to hit drug research since penicillin was discovered.

　　Dress warmly, or else you’ll catch cold.

　　Hurry up, or the tickets will have been sold out by the time we get there.

　　2.让步状语从句的常考知识点

　　(1)as 引导让步从句，要求用倒装结构，把强调的部分置于句首。如：

　　Much as he likes her, he does get irritated with her sometimes.

　　Tired as he was, we decided to disturb him.

　　Humble as it may be, there is no place like home.

　　(2)while引导让步从句。如:

　　Everybody cheats a little, some psychologists say, while others insist that most people are basically honest and some wouldn’t cheat under any circumstances.

　　While it’s true that we all need a career, preferably a profitable one, it is equally true that our civilization has accumulated an incredible amount of knowledge—be it scientific or artistic.

　　(3)复合连接词for all that和分词granting/granted(that)引导让步从句。如:

　　Granted you have made much progress, you should not be conceited.

　　For all that computers can provide us with great help, they shouldn’t be seen as substitutes for fundamental thinking and reasoning skills.

　　3.时间状语从句的常考知识点

　　(1)before表示汉语的 “只有/必须……才能”。如:

　　Electronics must be programmed before they can work.必须为计算机编好程序它才能工作。

　　New ideas sometimes have to wait for years before they are fully accepted.有时候新的思想必须等待多年以后才能被人们完全接受。

　　(2)when引导时间从句时，如果出现在后半句，则表示“这/那时突然”。如：

　　He was almost hurt when the bus came to a sudden stop.(1991年6月四级考题)

　　I have just started back for the house to change my clothes when I heard the voices.

　　(3)when it comes to 是习惯用法，意为“当谈到……时”。如：

　　Doing your homework is a sure way to improve your test scores, and this is especially true when it comes to classroom tests.

　　(4)名词短语、介词短语each /every time, the moment/second/minute, in the time, by the time起连词作用。如:

　　I hope her health will have improved greatly by the time we come back next year.

　　If individuals are awakened each time they begin a dream phase of sleep, they are likely to become irritable even though their total amount of sleep has been sufficient.

　　My pain must have been apparent the moment I walked into the room, for the first man I met asked sympathetically: “Are you feeling all right?”

　　Mercury’s velocity is so much greater than the Earth’s that it completes more than four revolutions around the Sun in the time it takes the Earth to complete one.

　　(5)副词directly, immediately, instantly, now引导时间从句, 相当于as soon as。如:

　　The policemen went into action directly they heard the alarm.

　　4.原因状语从句的常考知识点

　　(1)in that引导原因从句时,有时翻译成“是因为”、“就在于”。如:

　　Advertising is distinguished from other forms of communication in that the advertiser pays for the message to be delivered.

　　Criticism and self-criticism is necessary in that it helps us to find and correct our mistakes.

　　(2)now that表示 “既然” ; seeing that, considering表示“鉴于”、“考虑到”。如:

　　Now that we have all the material ready, we should begin the new task at once.

　　He did poorly in the examinations, considering how hard he had tried for them.

　　Seeing she is lawfully enough to get married, I don’t think how you can stop her.

　　其他引导原因状语从句的连接词语还有: for the (simple) reason that, by reason that, on the grounds that, in as much as, in so far as等。

　　5.while, whereas 引导对比从句

　　如:

　　While the teenage population in the United States has declined over the past dec

　　ade, violent crimes committed by juveniles have sharply increased.

　　A baby might show fear of an unfamiliar adult, whereas he is likely to smile and reach out to another infant.

　　6.so…that…, with the result that, so much so that 引导结果状语从句

　　如:

　　Conversation becomes weaker in a society that spends so much time listening and being talked to that it has all but lost the will and the skill to speak for itself.

　　Over the years, a large number of overseas students have studied at that university with the result that it has acquired substantial experience in dealing with them.

　　He himself believed in freedom, so much so that he would rather die than live without it.

　　7.in order that, in case, for fear that, lest (用虚拟语气) 引导目的状语从句

　　如:

　　Give me your telephone number, in case I need your help.

　　Helen listened carefully in order that she might discover exactly what John wanted.

　　8.where作为连接副词的一种用法, 翻译为“在……地方”

　　如:

　　In Japan, a person’s capabilities are not forced into an inflexible specialty. Where there is willingness and intelligence, there is a place within the company to try and to succeed.

　　Where the Atlantic Ocean crosses the equator, the trade wind causes a flow of water to the west.

　　十六、省略

　　1.形容词性(定语)从句关系代词的省略

　　(1)that, which 引导定语从句并在从句中做宾语时，可以省略。

　　(2)that引导定语从句并且从句是there be句型时，可以省略。如：

　　No one would have the time to read or listen to an account of everything there is going on in the world.

　　2.副词性(状语)从句的省略

　　(1)虚拟语气句省略条件连词if，从句采用倒装结构。如：

　　Had it not been for the timely investment from the general public, our company would not be so thriving as it is.

　　(2)由although, as if, if, no matter + wh-, once, though, unless, until, when, where, whether, while等连词引导的表示时间、地点、条件、让步、方式的状语从句，可省略主语和助动词be,保留ing分词、ed分词或表语。这样省略的条件是：●从句中被省略的主语必须与主句的主语一致；●谓语动词必须含有be；●从句必须与主语和b

　　e动词一起省去，不可只省略主语而保留整个谓语，也不可只保留主语而省略谓语。如：

　　Though raised in San Francisco, Dave Mitchell had always preferred to record the plain facts of small-town life.

　　Although born in Chicago, the author is most famous for his stories about New York City.

　　One should never lose one’s heart when confronted with temporary difficulties.

　　3.比较从句中主语的省略

　　在这种省略结构中，也可以把than或as当成关系代词。因为主语省略了，所以尤其要注意识别哪个词是省略了的主语，进而选择谓语的数、时态和语态。

　　These proposals sought to place greater restrictions on the use and copying of digital information than exist in traditional media.

　　There ought to be less anxiety over the perceived risk of getting cancer than exists in the public mind today.

　　The project requires more labor than has been put in because it is extremely difficult.

　　4.that用于引导宾语从句时，可以省略

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作者: 幽幽草    时间: 2007-11-7 14:20     标题: 第二编 考研语法专项突破训练

1. Exceptional children are different in some significant way from others of the same age. For these children to their full adult potential, their education must be adapted to those differences.

　　A. to develop B. to be developed C. developing D. will develop

　　2. Space exploration promises to open up many new territories for human settlement, as well as the harvest of mineral resources.

　　A. leads to B. to lead to C. leading to D. lead to

　　3. Someday, solar power collected by satellites the earth or fission power (裂变能)manufactured by mankind may give us all the energy we need for an expanding civilization.

　　A. circled B. to circle C. circling D.circles

　　4. In this experiment, they are wakened several times during the night, and asked to report what they .

　　A.had just been dreaming B. are just dreaming

　　C.have just been dreaming D. had just dreamt

　　5. Her terror was so great somewhere to escape, she would have run for her life.

　　A. only if B. that there had only been

　　C. that had there only been D. if there were only

　　6. Some women a good salary in a job instead of staying home, but they decided not to work for the sake of the family.

　　A. must make B. should have made

　　C. would make D. could have made

　　7. A light with no more power than by an ordinary electric light bulb becomes intensely strong as it is concentrated to a pinpoint-sized beam.

　　A. as is produced B. that produced

　　C. that is produced D. produced

　　8. For most people the sea was remote, and with the exception of early intercontinental travelers or others who earned a living from the sea, there was little reason to ask many questions about it, let alone what lay beneath the surface.

　　A. asking B. ask C. to ask D. be asked

　　9.Even if they are on sale, these refrigerators are equal in price to, if not more expensive than, at the other store.

　　A. anyone B. the others C. that D. the ones

　　10. The atmosphere is as much a part of the earth as its soil and the water of its lakes, rivers and oceans.

　　A. are B. is C. do D. has

　　11. From now on, when anyone in our ranks who has done some useful work dies, soldier or cook, we should have a funeral ceremony and a memorial meeting in his honor.

　　A. no matter he is B. whether he has been

　　C. be he D. whether be he

　　12. In 1921 Einstein won the Nobel Prize, and was honored in Germany until the rise of Nazism he was driven from Germany because he was a Jew.

　　A. then B. and C. when D. before

　　13.Physics is the present-day equivalent of used to be called natural philosophy from which most of present-day science arose.

　　A. that B. all C. which D. what

　　14. the population of working age increased by 1 million between 1981 and 1986, today it is barely growing.

　　A. Whereas B. Even if C. After D. Now that

　　15. His features were agreeable; his body, slight of build, had something of athletic outline.

　　A. somehow B. as C. though D. somewhat

　　16. By the first decade of the 21st century, international commercial traffic vastly beyond today’s levels.

　　A.will be expected to extend B. will have been expected to extend

　　C.is expected to be extended D. is expected to have extended

　　17. We advocate the economic, cultural and religious traditions of all national minorities.

　　A. to respect B. to be respected

　　C. respecting D. having respected

　　18. There are two horses at the ends of a rope with all their might in opposite directions.

　　A. pulling B. pull C. pulled D. to pull

　　19. Today the Tennessee Valley is one of the richest areas in the world. But if things as they were it would now be a desert.

　　A. had left B. were left C. had been left D. had been leaving

　　20.After twenty years abroad, William came back only how his hometown was damaged in an earthquake.

　　A. to find out B. finding out

　　C. to have found out D. to be finding out

　　21. Relaxation, fresh air, pure water and clean food, is essential to a sound mind and healthy body.

　　A. much less than B. no less than

　　C. no more than D. any less than

　　22. It is far better to do well a bit of work which is well a large fortune.

　　A. worthy to be done than have B. worth doing than to have

　　C. worthwhile to do than have D. worthy of doing than have

　　23. Understanding the cultural habit of another nation, especially containing as many different subcultures as the United States, is a complex task.

　　A.one B. the one C. that D. such

　　24. Whether or not the next plan will yield any positive results to be seen.

　　A.remain B. remains C.is remained D. have remained

　　25. If ever again happens an accident like this, we will have only ourselves to blame.

　　A. it B. so C. there D. that

　　26. This is the most important respect civilized man can be distinguished from primitive communities.

　　A. which B. in which C. with which D. that

　　27. With production steadily, the factory needs an ever-increasing supply of raw materials.

　　A. having gone up B. goes up

　　C. gone up D. going up

　　28. I thought the technician was to blame for the blowing of the fuse, but I see now I was mistaken.

　　A. how B. that C. where D. why

　　29. Electronic computers, many advantages, cannot carry out creative work or replace man.

　　A. though having had B. which have

　　C. even if having D. over which have

　　30. The members of the delegation were glad longer than originally planned.

　　A.to be staying B. staying

　　C.to have stayed D. if they stayed

　　31. The students were much encouraged a chance to talk with the Americans in English.

　　A. to get B. gotten C. to have got D. having got

　　32. When a person is in a happy frame of mind, he may agree on the thing that he won’t tolerate when he is not in the right frame of mind.

　　A. doing B. to do C. done D. to be done

　　33. Recently many schools have faced what could be called the crisis of comprehension or, in simple terms, the phenomenon of students with phonic and grammar skills still unable to understand what they read.

　　A. are B. to be C. being D. have been

　　34. I the train but I overslept that morning.

　　A. could catch B. might catch

　　C. must have caught D. could have caught

　　35. It is very kind of you to do the washing-up, but you it.

　　A. mustn’t have done B. wouldn’t have done

　　C. mightn’t have done D. didn’t have to do

　　36. Taking more vitamin than the body needs does not make it function better, over-fulfilling the oil lamp makes it lighten better.

　　A. no more than B. any more than C. not more than D. much more than

　　37. Do you have any idea what Jim does all Sunday? He spends as much time idling about as he does .

　　A. his study B. studying C. to study D. on his study

　　38. The student I am teaching this year is much more intelligent than I taught last year.

　　A. that B. one C. the one D. those

　　39. Just as the builder is skilled in the handling of his bricks, the experienced writer in the handling of his words.

　　A. and so is B. as is C. the same is D. so is

　　40. The new hotel has erected a beautiful building with recreation area and conference facilities on the top floor the finest view of the city can be obtained.

　　A. in which B. over which C. where D. there

　　41. We agree to accept they thought was the best tourist guide.

　　A. whatever B. whomever C. whichever D. whoever

　　42. Although many people view conflict as bad, conflict is sometimes useful it forces people to test the relative merits of their attitudes and behaviors.

　　A. by which B. so that C. in that D. provided that

　　43. A beam of light will not bend round corners unless to do so with the help of a reflecting device.

　　A. made B. being made C. having made D. to be made

　　44. A knock at the door again! It was the third time someone me that evening.

　　A.has interrupted B. had interrupted

　　C.to have interrupted D. would have interrupted

　　45. The government agrees to install services by residents over a ten-year period.

　　A. which are to be paid for B. for which to be paid

　　C. which to be paid for D. to be paid for which

　　46. He would always ignore the fact of such a contradiction in his inner thought.

　　A. there to be B. there being C. it being D. there having been

　　47. A convenient way is to set the food on a piece of aluminum oil, to the air for half an hour, and then cover it with a dish.

　　A. let it stay open B. let it stayed open

　　C. letting it stay open D. letting it stay opened

　　48. They us willingly but that they happened to be short of hands, too.

　　A. would help B. would have helped

　　C. were going to help D. must have helped

　　49. Research findings show that we spend about two hours dreaming every night,no matter what we during the day.

　　A. should have done B. would have done

　　C. may have done D. must have done

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作者: 幽幽草    时间: 2007-11-7 14:23     标题: 黑魔方系列：考研英语必备语法全突破

50. If you are to catch a train, it is always better to be comfortably early than even a fraction of a minute late.

　　A. too B. very C. much D. rather

　　51. If you have been generous to a person for a period of time, it is most likely that the person will take advantage of your generosity and trade on your “weakness” become appreciative of your kindness.

　　A. but not B.let alone C. rather than D. instead of

　　52. A poet must not write for the ages past, but for in which he lives and those which are to follow.

　　A. one B. those C. the one D. that

　　53. There is a delicate balance of nature many square miles of ocean and vegetation and clean air are needed to maintain only a relatively few human beings.

　　A. where B. in which C. when D. how

　　54. There are cases new factories are being put up and beautiful old trees are going to be cut down for a new factory.

　　A. which B. where C. that D. when

　　55. Somebody in the next room must be ill, a doctor has just come out.

　　A. because B. for C. in that D. as

　　56. To understand the situation completely requires more thought than thus far.

　　A.has given B. was given C.being given D. has been given

　　57. Of great significance the nation-wide movement is the Kampuchean people in their heroic struggle against the aggression of the Vietnamese.

　　A. to support B. for supporting

　　C. supporting D. of supporting

　　58. Many farmers came to the city, jobs and for all the other legendary opportunities of life in the city.

　　A. looking for B. to look for

　　C. having looked for D. looked for

　　59. It is requested that an applicant whose undergraduate work is done at another institution two copies of undergraduate transcripts and degrees directly to the dean of the graduate school.

　　A. must send B. send C. are to send D. need send

　　60. You her in her office last Friday; she’s been out of town for two weeks.

　　A. needn’t have seen B. might have seen

　　C. must have seen D. can’t have seen

　　61. The studies show that the driver who has consumed an amount of alcohol within the limit is likely to have an automobile accident than the driver who does not take any alcohol.

　　A. not so B. not much C. no less D. no more

　　62. If someone is dying of cancer and begging to be put out of his or her misery, and someone gives that person a deadly dose of morphine, that seems merciful criminal.

　　A. nevertheless B. otherwise

　　C. or else D. rather than

　　63. When we arrived, he found the aged and the sick at home.

　　A. none but B. none other than

　　C. nothing but D. no other than

　　64. I hope all the precautions against air pollution, are suggested by the local government, will be seriously considered here.

　　A. as B. while C. after D. since

　　65. Most of is on American television are programs designed to appeal to people who go into the supermarkets and buy the products that are advertised on TV.

　　A. which B. that C. whatever D. what

　　66. Suppose there were a flood or an earthquake and the people could not be reached by trains or trucks. packages of food could be dropped from planes, the people might starve.

　　A. Until B. Before C. Unless D. If only

　　67. Mary has long had the desire a famous writer even though the study of writing would require years of sacrifice on her part.

　　A. for becoming B. to become

　　C. of becoming D. becoming

　　68. This is so difficult a problem that the scientist is known to on it for about ten years, but hasn’t found a solution yet.

　　A.have worked B. have been working

　　C.be working D. work on

　　69. A majority collectively may be regarded as a being whose opinions and, most frequently, whose interests are opposed to those of another being, which is styled a minority.

　　A. taking B. takes C. take D. taken

　　70. I would have passed the college entrance examinations I missed some of the questions and gave the wrong answers.

　　A. but B. because C. as D. in that

　　71. You such a long essay; our teacher only asked for 200 words, and you have written 300!

　　A. mustn’t have written B. couldn’t have written

　　C. needn’t have written D. might not as well have written

　　72. for aches, pains and fever, aspirin is now the subject of multiple investigations of its role in treating many more serious complaints.

　　A. Long used B. Being used long

　　C. Having been long used D. It has long been used

　　73. In no country Britain, it has been said, can one experience four seasons in the course of a single day.

　　A. better than B. more than

　　C. other than D. rather than

　　74. We hope the measures to control prices, are taken by the government, will succeed.

　　A. when B. as C. since D. after

　　75. “What do you suggest I write about, then, to stand a chance next year?” “It isn’t so much you write as the way you write it.”

　　A. what…that B. what…which

　　C. what…how D. which…that

　　76. After people have learned that magnets attract things, centuries passed they took note of the fact that magnets sometimes also repel things.

　　A. before B. until C. after D. since

　　77. He is off to Paris again tomorrow. He tells me that, with this journey, he there and back twenty times.

　　A.will be B. will have been

　　C.will go D. will have gone

　　78. Many ways have been found small and simple machine to process large and complicated machine parts.

　　A. by using B. to use C. using D. used

　　79. I walked down the corridor, my footsteps frighteningly through the empty deserted building.

　　A. echoing B. echoed C. to echo D. having echoed

　　80. Apart from personal preferences, social context also affects—both directly and indirectly—the media and the media content to which you become exposed. For example, other members of the family often select media content that you , and you become exposed to it.

　　A. would not have selected B. should not have selected

　　C. must not select D. cannot have selected

　　题解：

　　1. AFor these children to develop to their full adult potential在句中做目的状语，these children 是to develop 的逻辑主语，这种主谓关系在目的状语中一般是不能用分词表示的。



B中不定式被动式与句意相悖；for不是连词，故不能选D，否则语句不通。

　　2. Cas well as 在语法功能上相当于介词，所以在句中要接动名词leading to。

　　3. C句子的主语为solar power or fission power，谓语是may give, collected by satellite circling the earth是后置定语修饰solar power，其中circling the earth 又是现在分词短语修饰satellite，“环绕地球的卫星”，相当于the satellite which circles the earth。其他选择项均不符合句子语法结构要求。

　　4. C句中已给出频次状语several times，说明要用完成时态，同时句子的时态定位是现在时they are wakened，显然不能用过去完成时，所以选C。

　　5. C这是一个so…that结构表示结果状语的句型， A、D 可以排除。在that从句中又有条件从句，而且应该是虚拟语气结构，B中没有表示条件的连词，是错误的。C虽然也没有连词if，但采用了倒装结构，可以将if省略，又是had done，表示与过去事实相反的假设，时态、结构完全正确，因此是惟一正确的选择。

　　6. D这是一个含蓄虚拟句，意为“有些妇女完全可以不呆在家里，干一份工作挣得可观的工资，可是她们决定不工作，为的是照顾家庭”，所以选D。should have made意思是“本应该做而实际上没做”，与原句意不够贴切。

　　7. B相当于A light with no more power than the power that is produced by…。that代替power，表示相比较的事物，而D中没有比较对象，故不对；as表示原级比较，不与than用在一起，故A也不正确；C中缺少that的先行词，也是错误的。

　　8. Clet alone，“更不用说……”，在用法上相当于并列连词，因此要求填入与前面一样的结构，此处是不定式。

　　9. D句子要求填一个能够代替these refrigerators 的代词，故排除A、C。the others一般与另一部分相对而言，在此句中不对，所以选the ones。

　　10. A句子后半句是倒装句，主语是复数its soil and the water of its lakes, rivers and oceans，因为较长，所以后置，故选A。

　　11. C此句含有让步状语从句whether…or…“不管是……还是……”，采用倒装后省略连词，用原形动词，所以只能选C。

　　12. Cwhen引导时间从句：“纳粹上台的时候,他被赶出德国……”then不是连词, 用在句中不符合句法要求; 如果选B, 应为and then; before填入句中句意不通。

　　13. D句中要求一个能够引导of介词宾语从句的连接词, 所以只有what具有这个功能。

　　14. A前后两个句子是对比关系: increased和barely growing, 而even if表示让步“即使”; after表示时间;now that表示原因, 故只有whereas正确。

　　15. Cthough 表示让步, 意为“虽然”，全句的意思是: “他的长相挺好, 身体虽然瘦小, 但有点儿运动员的样子。”somehow“不知怎么”、“不知什么原因”。as 可以引导让步从句,但句子结构要倒装, 不用于省略句, 因此在此处不合适。somewhat“有几分”、“有点儿”, 没有让步意味。

　　16. D句子讲的是 “人们期待到21世纪前10年时,国际性商业航空交通远远超过当今水平”, 人们现在就期待, 而不是将来期待, 所以A、B是错误的; 另外, 表示到将来某一时刻为止已经完成的动作或出现的状态, 应用将来完成时, 按句意, 是指extend这一动作的完成, 所以应该在不定式上体现出来。根据上述分析, 选D符合句意要求。

　　17. C动词advocate后接动名词而不接不定式做宾语。D虽然是动名词, 但用其完成式在语义上讲不通。

　　18. Apulling是现在分词在句中做horses的定语, 相当于which pull。

　　19. Chad been left表示与过去事实相反的假设 “如果情况还像以前那样”。

　　20. A不定式to find out做结果状语,有意想不到的含义。不定式表示结果时, 用其一般式即可。

　　21. Bno less than “与……同样(重要)”。全句意为: “放松休息, 就像新鲜空气、纯净水、清洁的食品一样, 是健康的身心所不可缺少的。”

　　22. Bto have a large fortune与to do well a bit of work…是并列不定式。另外，worth, worthy, worthwhile在用法上的区别是1)worth是介词, 后接动名词或名词，形成介词短语。接动名词时, 与主语是动宾关系，其形式是主动的，意义是被动的。如: The book is worth reading. (2)worthy是形容词, 置于be动词后或名词后面, 做后位修饰语, 其结构是: be worthy of doing sth., sth. is worthy to be done。(3)worthwhile是形容词，要与形式主语it并用：It is worthwhile to read the book.worth和worthy都不能用于这种结构。

　　23. Aone 指代前面提到的具有泛指含义的可数名词单数, 在该句中指代another nation, 句中属于泛指，可见B是错误的。such指代前面讲过的整个情况，多用作主语。that 指物时常用来指代不可数名词, 指代可数名词时具有特指含义。

　　24. Bwhether 引导名词性从句做主语, 谓语动词应为单数。另外，remain一般不用被动式, 所以B为正确选项。

　　25. C这是there be句型的异化形式，即there be 句型中还可以用be以外的不及物动词，如live, stand, exist, come, remain等。

　　26. B要填入的成分在从句中做状语, 据此排除A、D。另外，respect要求介词in, 相当于in this respect “在这方面”, 故选in which。

　　27. D全句用的是一般现在时态, 说明一种情况, go 是非及物动词, 要填入的是with介词短语的一部分，应用动名词形式, 所以选going up。

　　28. Bthat引导宾语从句, see在句中的意思是understand。此句切不可从汉语角度理解成 “我怎么错了”或 “我为什么错了” 而错选了A或D。

　　29. Bwhich have many advantages是非限定性定语从句，在此有让步的含义。

　　30. C句子用的是过去时态…were glad…, 不定式完成式to have stayed表示这一动作发生在谓语动词were glad之前, 相当于：The members of the delegation were glad that they had stayed longer than originally planned.

　　31. C句中不定式表示原因: “学生有机会用英语与美国人交谈，很受鼓舞。” 所以应用不定式完成式。如果句子用的是一般现在时are, 那么选A是对的。

　　32. Atolerate要求动名词做宾语, 只能选A。

　　33. C动名词being 做students 的逻辑谓语, 相当于…students… being unable to understand what they read。整个动名词短语做of的宾语，所以只能选C。

　　34. D这是一个含蓄虚拟条件句，前半部分假设，后半部分真实，因此应选could have caught，意为“我本来能赶上火车的，可是那天早上我睡过头了”。区别这类含蓄虚拟条件句的关键词是but。

　　35. Ddidnt have to do it“不用非得洗(碗)”，符合句意。

　　36. Bnot…any more than…“与……同样不……”。本句意为：“摄入的维生素超过了身体所需要的量并不能使身体更好地发挥作用, 就像往油灯中倒入过多的油不能使其更亮一样。” no more…than 与not…any more than同义, 但句中前半部分已有not, 此处再填no是错误的。

　　37. B此题测试的是平行结构问题, 即在并列或比较结构中，并列或比较的成分在语法形式上应一致。 如该句中应为：He spends as much time idling about as he spends (much) time studying.句中does 代替spends, idling与studying平行。

　　38. Cthe one 代替带定冠词的单数可数名词。句中代替the student，故选C。

　　39. D句子用的是just as…so…句型，后半部分要求倒装，所以应选D。

　　40. Cwhere引导定语从句，在从句中做地点状语，相当于from the top floor。

　　41. Dwhoever引导名词性从句，并在从句中做主语，用来指人。they thought 是插入成分。

　　42. Cin that“是因为”，引导原因状语从句，符合句意。by which表示手段；so that引导目的状语从句；provided that引导条件状语从句。

　　43. Amade to do so是it is made to do so 的省略形式。unless是连词，应连接句子，所以除A以外的其他几个选项都是错误的。

　　44. B此处用过去完成时，是因为本句意指“到那次敲门，已经是第三次有人打搅我了”。句中用词was和that evening都说明指过去发生的事，到过去某一时刻为止已出现的情况用过去完成时。

　　45. Awhich在句中是关系代词，要引导一个句子，而B、C、D三个选项中都没有谓语，因此不是句子。本句意为：“政府同意提供服务设施，经费由居民在十年期间偿还。”

　　46. Bthere being 做介词of 的宾语，如果是介词for，则用there to be。

　　47. C分词短语做伴随状语，形容词open在分词短语中做补语，表示状态，不用过去分词，所以D不正确。

　　48. B此句是含蓄虚拟语气句，暗含的假设条件为：if they hadn’t happened to be short of hands。故应选B。

　　49. Cmay have done“(不管我们白天)可能做了些什么”，符合句意。should have done“本该做(但实际未做)”；would have done表示与过去相反的假设；must have done是对已发生的情况作肯定推测。

　　50. A句中too late相当于too late to catch the train，所以选其他词不合适。

　　51. Crather than 表示对比，在意思上前后形成对照：take advantage of your generosity…rather than become appreciative of your kindness意为“利用你的慷慨，而不是理解你的好意”。另外，rather than在结构上起并列作用，使take advantage与become appreciative平行。

　　52. Cthe one替代the age，还原为：…but must write for the age in which he lives and the ages which are to follow。

　　53. Bin which在定语从句中做状语，相当于in the balance of nature (many square miles of…)。

　　54. Cthat引导case的同位语从句，其他连接词都不合适。

　　55. Bfor连接一个原因分句，对前面的推测做原因上的解释。请考生记住：无论从逻辑推理还是从语法规则上看，只要前面是表示推测的句子，后面大都用for连接后一句，而不用其他连词。

　　56. D时间状语thus far“到目前为止”，与现在完成时连用，据此排除B、C。比较从句完整的结构应该是…than the thought which has been given thus far，可以把than 看做关系代词在从句中做主语，也可以把主语看做是省略了。

　　57. A题句由于主语较长，采用了倒装结构，可还原为：the nation-wide movement to support the Kampuchean people in their heroic struggle against the aggression of the Vietnamese is of great significance。movement要求不定式做定语，其他选项均不符合语法规则。

　　58. Alooking for…分词短语做came的伴随状语，如果选to look for做目的状语的话，不该有逗号。

　　59. B动词request要求其主语从句、宾语从句或同位语从句中谓语动词用(should+)原形表示虚拟。该句中that引导的是主语从句。

　　60. Dcant have done 表示对已发生的情况作否定推测“一定不是/没……”，根据句意只能选D。

　　61. Dno more…than…“不比……更……”。此句意为：“研究表明，喝了酒但不过量的司机可能出车祸，不喝酒的司机也同样可能出车祸。”

　　62. Drather than起并列作用，使merciful与criminal形成平行结构，表示对比。

　　63. Anone but相当于no one but“只有”，通常接表示人的词；nothing but接表示物的词；none other than和no other than两者的意思都是“(不是别的)……正是……”，与本题全句意思不符。

　　64. Aas在句中是关系代词，引导非限定性定语从句，其先行词是precautions，其他几个选项都不是关系代词，所以是错误的。

　　65. Dwhat是关系代词，引导名词性从句，同时又在从句中充当一个成分，如在本句中做从句的主语，整个名词性从句做介词of的宾语；which只能引导形容词性从句；that引导名词性从句时，只是连词；whatever用在句中不通。

　　66. Cunless“除非”，从主从句的逻辑关系上看是惟一正确选择。句意：“假如发生了水灾或地震，且火车、汽车又无法通至灾区，除非用飞机空投，否则那里的人们就会饿死。”

　　67. Bto become在句中做desire的定语，意为“成为一个著名作家的愿望”，其他结构一般不做desire的定语。

　　68. B不定式to have been working…做主语scientist的补足语，用完成进行式表示：“这个科学家已对如此复杂的问题研究了大约十年，并且还要继续研究下去。”

　　69. Dtaken在句中做后置定语，修饰majority, 由于与所修饰的词是动宾关系，所以应用过去分词，a majority which is taken collectively可以理解为“(把)大多数人作为一个整体”。

　　70. A句中but表示转折，后面陈述的是事实情况：“……看错了问题所以没答对”。暗指“若不是看错了题，就会答对而且通过考试”。因此句子前半部分用的是虚拟语气would have passed。

　　71. Cneedn’t have done sth.表示做了不必做的事，此句意为：“你真不必写这么长的文章，老师告诉我们只写200个词，可你写了300个词。”

　　72. AB、C选项之所以错，主要是由于long的位置不对，应为：B. Being long used…；C Having long been used…。句子前半部分是状语，故D也不对。由此可见A是惟一正确的选择。

　　73. Cother than 的意思相当于except，常用在否定词之后，如nobody other than…，nothing other than等。本句中与no在一起连用，意为“只有在英国……”。it has been said是插入语。

　　74. Bas是关系代词，引导非限定性定语从句， 其先行词是measures，相当于…as the measures which are taken by the government…，其他几个词都是连词，不能引导定语从句。

　　75. A句中的第一个空白处需要一个引导名词性从句的关系代词，在从句中做write 的宾语；第二个空白处要填一个修饰way的定语从句的关系代词，因此只能选A。注意: 先行词是way, 引导定语从句的关系代词一定不能用how, 可以用in which, 可以用that, 也可以省略不用。

　　76. Abefore应该理解成“(几百年过去了,人们) 才……”; 如果用after应该是…after centuries passed they took note of the fact…; 如果用until, 应该是they didn’t take note of the fact that…until centuries passed。

　　77. B此句意为：“他明天去巴黎,加上这次, 他就去了二十次了。”根据句意,应用将来完成时态。句中有back一词, 故D不合适。

　　78. Bto use…, 不定式短语做way的定语, 只是因为定语太长,故将谓语前移,使句子避免头重脚轻。by using表示方式, 做状语用; using为动名词, 不能做way 的定语, way要求不定式做定语; used, 无论从语法结构上还是从意义上都讲不通。

　　79. A分词短语做伴随状语, my footsteps与echo的关系是主动的,因此用现在分词。另外, 分词做伴随状语表示与谓语动词的动作同时发生, 所以用其一般式。

　　80. A本句意为:“除了个人喜好外, 社会环境也会直接或间接地影响你使用的媒体和媒体的内容。例如, 家庭的其他成员常常选择的媒体内容你就未必选, 可是你也得使用。”句中暗含了 “如果是你, 你就不会选” 的意思, 所以用虚拟语气合适。should not have selected表示“本不应该选”; must not select表示“一定不要选”; cannot have selected表示“一定不能选”, 过于绝对。只有would not have selected 符合句意。

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作者: 凝轩裔    时间: 2010-12-13 09:13

要是楼主能改将文本改为可下载的就好了

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