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标题: LESSON 37 visits to a dentist [打印本页]

作者: tingroom 时间: 2011-1-27 10:19 标题: LESSON 37 visits to a dentist

listen to the material carefully,although it is difficult and sometime you can't write down the correct answer.As long as you have tried,whatever you write down will be the harvest of yours.You should believe that only by accumulating little by little could you learn English welll.so come on.

How many teeth have you had filled in the past two years? If you follow the adv ice of Dr. Faustick, you may be able to reduce the number of your visits to a dentist. Dr. Faustick conducted a two-year survey to find out how to prevent or reduce dental decay. _______________________.

523 students cleaned their teeth within ten minutes of eating: when possible they used a toothbrush, when this was impossible they washed their mouth thoroughly with water. _____________________________when they went to bed and when they got up in the morning. All the students had their teeth X-rayed at the end of the first and second years. At the end of the first year, the night and morning group had three times as many decayed teeth as the clean after each meal group.
At the end of the second year __________________________________.

[audio]http://down02.putclub.com/newupdate/mnjjt/liuji/201101/putclub.com_6.6cet60127.mp3[/audio]

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作者: Jackson_Qin 时间: 2011-1-29 02:51

First sentence: 946 students took in the experiment.
Second sentence: there are nearly 423 students nearly cleaned there teeth

作者: davis081 时间: 2011-3-11 09:06

asdasd

作者: lzuyyy 时间: 2011-3-11 09:32

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作者: 伊之歆 时间: 2011-3-11 11:52

1.946 students took apart in an exprement
2.the remaining 423 students merely clear their teeth
3.he later group had 43 pecents urdecayed the teeth than thr fomer group
不知道对不对大家帮忙看看吧

作者: xiaotantan 时间: 2011-3-16 11:26

1）946 students took part in an experiment
2)The remaining 423 students nearly cleaned their teeth
3)the later group had 53% usually decay teeth than formal group

作者: laura6688 时间: 2011-5-11 10:24

946 students took apart in this experiment
the remaining 423 students nearly clear their teeth
the later group had 53% decayed teeth than the fomer group

作者: qzjian520 时间: 2011-5-14 08:31

回复 1# tingroom

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