Question

How much sleep do we need? People are all different. Some people need only three or four hours of sleep a night. Others need ten hours of sleep a night. Most Americans sleep seven to eight hours a night.

Some people find it hard to fall asleep. About one in three(三分之一) Americans have a problem with sleep. Many of these people can not fall asleep. The name of this problem is insomnia(失眠症). Many famous people in history had insomnia. Some of these people have special(特殊的) ideas to make themselves sleep. Benjamin Franklin had four beds. He moved from bed to bed to fall asleep. Mark Twain lay(躺) on his side across the end of his bed.

根据短文内容，判断正(A)误(B)。（5分）

1.Different people need different amounts of sleep(睡眠时间).

2.Most Americans sleep more than 8 hours a night.

3.If a person has insomnia, he can never fall asleep.

4.About 1/3 of Americans have a problem with sleep.

5.Mark Twain had four beds to make himself sleep.

 

Answer 1

【答案】

1.A

2.B

3.B

4.A

5.B

【解析】

试题分析：这篇短文介绍了美国大约有三分之一的人有睡眠问题，其中也谢历史名人的睡眠问题也很严重。

1.根据People are all different.及下文描述，可知本句表述正确。

2.根据Most Americans sleep seven to eight hours a night.描述，可知本句表述错误。

3.根据Many of these people can not fall asleep. The name of this problem is insomnia(失眠症).不能入睡并不是永远不能入睡。可知本句表述错误

4.根据About one in three(三分之一) Americans have a problem with sleep.可知本句表述正确。

5.根据Benjamin Franklin had four beds. He moved from bed to bed to fall asleep.描述，可知本句表述错误。

考点：关于失眠症的说明文

点评：本文浅显易懂，各个小题都能在文中找到适当依据。只要认真阅读短文，注意前后联系，就能顺利完成阅读。文章所设试题主要考察细节查找，做题关键是找出原文的根据，认真核查小题和原文的异同。