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标题: LESSON 38 dental decay [打印本页]

作者: tingroom    时间: 2011-1-28 11:32     标题: LESSON 38 dental decay

   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.

Dr. Faustick has cleaned his teeth after meal for thirteen years and has not had a single decayed tooth. He pointed out that sugar is a major agent in dental decay. Particularly the sugar in sweets, cakes, and soft drinks. Ideally you should keep a tooth brush in your pocket and_________________________.

When this is impractical you can at least make sure that you have a drink of water and let the water through your teeth to force out any particles of food. ________________________by the time they are fifty. Many have a complete set of false teeth by that time. In any case neither toothache nor a visit to a dentist is very pleasant. So it is worthwhile making an effort to keep you own teeth as long as possible. ___________________________.



[audio]http://down02.putclub.com/newupdate/mnjjt/liuji/201101/putclub.com_6.6cet60128.mp3[/audio]

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作者: 走着瞧    时间: 2011-1-28 14:45

o
作者: 浪子小乙    时间: 2011-1-28 17:22

1.use it immediately after you have finished eating
2.Seven out of ten people lose at least half of their teeths
3.The main provented agent is simply water
作者: lzuyyy    时间: 2011-3-20 08:05

re
作者: Megan梅    时间: 2011-3-20 09:15

used it immediately after you have finished eating
seven out of ten people lose at least hurt their tooth
the main prevented agent is simply water
作者: laura6688    时间: 2011-4-16 09:22

1.use it immediately after you have finished eating
2.Seven out of ten people lose at least half of their teeth
3.The main provented agent is simply water
作者: susan.sui    时间: 2012-3-27 15:32

1. use it immediately after you've finished eating.
2.seven out of ten people lose a half of teeth
3.the main preventive agent is simply water.




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