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【CET 12-24备战】之六级听力(十四)

时间:2005-12-04 16:00来源:互联网 提供网友:huxiaofeng   字体: [ ]
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Passage Two  
14.
A) Coca Cola
B) Sausage
C) Milk
D) Fried chicken

15.
A) He has had thirteen decayed2 teeth
B) He doesn't have a single decayed tooth
C) He has fewer decayed teeth than other people of his age
D) He never had a single tooth pulled out before he was fifty.

16.
A) Brush your teeth right before you go to bed in the evening
B) Have as few of your teeth pulled out as possible
C) Have your teeth X-rayed at regular intervals
D) Clean your teeth shortly after eating.

答案及参考原文:

ABD

How many teeth have you had filled in the past two years? If you follow the advice of Dr. Forstic, you may be able to reduce the number of your visits to a dentist. Dr. Forstic conducted a two-year survey to find out how to prevent or reduce dental decay1. 946 students took part in the experiment. 523 students cleaned their teeth within 10 minutes of eating. When possible, they used tooth brush. When this was impossible, they washed their mouth thoroughly3 with water. The remaining 423 students merely cleaned their teeth 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, the latter group had 53% fewer decayed teeth than the former group. Dr. Forstic has cleaned his teeth after every meal for 13 years and has not had a single decayed tooth(15). He pointed4 out that sugar is the major agent in dental decay, particularly, the sugar in sweets, cakes and soft drinks(14). Ideally you should keep a toothbrush in your pocket and use it immediately after you have finished eating(16). When this is impractical5, you can at least make sure that you have a drink of water and let the water thought your teeth, to force out any particles of the food. 7 out of 10 people lose at least half of their teeth 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 the dentist is very pleasant. So, it is worthwhile making an effort to keep your own teeth as long as possible. The main preventive agent is simply water.

14. According to the passage, what type of food or drink is most likely to cause dental decay?
15. What does the passage tell us about the condition of Dr. Forstic's teeth?
16. What does Dr. Forstic suggest to prevent dental decay?


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1 decay anrzL     
vi.腐烂,衰落;n.腐烂,腐朽,衰败状态
参考例句:
  • The vegetables have begun to decay.那些蔬菜已开始腐烂。
  • Our powers decay in old age.我们的体力在老年时就衰退。
2 decayed Mv5zYm     
a.腐败的,被蛀的
参考例句:
  • New Shoreham, now sadly decayed, has barely 100 inhabitants. 如今已经衰落的新肖勒姆仅有100 名居民,很令人伤感。
  • The place stank of decayed fish. 那地方有烂鱼的臭味。
3 thoroughly sgmz0J     
adv.完全地,彻底地,十足地
参考例句:
  • The soil must be thoroughly turned over before planting.一定要先把土地深翻一遍再下种。
  • The soldiers have been thoroughly instructed in the care of their weapons.士兵们都系统地接受过保护武器的训练。
4 pointed Il8zB4     
adj.尖的,直截了当的
参考例句:
  • He gave me a very sharp pointed pencil.他给我一支削得非常尖的铅笔。
  • She wished to show Mrs.John Dashwood by this pointed invitation to her brother.她想通过对达茨伍德夫人提出直截了当的邀请向她的哥哥表示出来。
5 impractical 49Ixs     
adj.不现实的,不实用的,不切实际的
参考例句:
  • He was hopelessly impractical when it came to planning new projects.一到规划新项目,他就完全没有了实际操作的能力。
  • An entirely rigid system is impractical.一套完全死板的体制是不实际的。
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