托福阅读资料:Bedtime Blues

2012-03-30 05:39:27
  托福阅读高分的关键是在于多看多练,同学们在日常练习中应该重视托福阅读材料的分析。为了帮助广大考生更好的复习,为大家整理提供托福阅读材料: 《Bedtime Blues》,供各位考生复习参考。

  Never a happy topic, bed wetting is a very distressing problem for five to seven million American kids. If we can’t explain why some people like to pick on these kids, can we at least shed some light on what causes bed wetting?

  At one time, people punished bed-wetters for acting badly, but today scientists believe that this condition has several physical causes. Some kids suffer from problems like infections or anatomical defects that can be easily identified and treated.

  Other causes are harder to pin down. One promising area of research is on the kidney hormone ADH. We all produce more ADH hormone at night. ADH signals the kidney to slow down production. This is why we don’t go to the bathroom for eight hours at night but could never last that long between bathroom breaks during the day. Some children who wet their beds do not produce enough ADH at night. When given drugs that boost this hormone, they stop bed wetting.

  Finally, some kids simply have small bladders and an undeveloped nervous system. The good news is that these kids, like most bedwetters, will grow out of it as their bodies develop and mature.

 

  以上就是托福阅读材料《Bedtime Blues》,同学们可以积累其中的词汇及优美句式,找到托福阅读段的主题句,了解托福阅读的几个出题点。托福阅读训练是个长期的过程。大家如果每天做几篇阅读,坚持下来,一定会有不小的进步。

  

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