题目内容
11.Dogs sleep,cats sleep and you sleep Dogs sleep,cats sleep and you sleep.All mammals (哺乳动物) and birds sleep.Elephants sleep only 2to 4hours a day.Bats sleep 18hours a day.Children need more sleep than grownups.A newborn baby sleeps 17to 18hours.A 10-year-old needs about 10hours of sleep a night.Grownups need between 6and 9hours of sleep a night.Though scientists do not know for sure why you sleep,they do have some ideas.Safety could be one reason for sleep.People and other animals might sleep because it keeps them safe at night.Sleep might also help you work better.Things go wrong if you do not get enough sleep.It is hard to think and work and play unless you get plenty of sleep.Besides,sleep is necessary for good health.
Scientists have learned a lot about what happens when you lie down,close your eyes,and fall asleep.Sometimes your eyeballs move back and forth while you're asleep.They move fast.This kind of sleep is called REM,which means rapid eye movement.Your brain is also very busy during REM sleep.It is almost as busy as when you are awake.What do you think your brain is doing?Here is a clue:You dream during REM sleep.
If you have trouble falling asleep,some people suggest breathing very slowly and very deeply.Other people believe that drinking warm milk will help you make you drowsy.There is also an old suggestion that counting sheep put you to sleep!
61.We can learn from Paragraph 1thatC.
A.small animals sleep less than babies.
B.grownups sleep less than big animals.
C.big animals sleep less than small ones.
D.human beings sleep less than big animals.
62.How many reasons for sleep are given by scientists?B.
A.Four B.Three C.Two D.One
63.Not getting enough sleep might cause you toC.
A.work better B.dream often
C.had bad health D.take a deep breath
64.When you enter the REM sleepA.
A.you have a dream B.you often wake up
C.your brain has a rest D.your eyeballs move slowly
65.The underlined word"drowsy"meansC
A.sick B.wake C.sleep D.excited.
分析 本文介绍的是关于睡眠,睡眠的原因,时间长短及睡眠不好怎么办.
解答 60.C细节理解题.根据第一段Elephants sleep only 2to 4hours a day.Bats sleep 18hours a day可知大的动物比小的动物睡觉少,故选C.
61.B细节理解题.根据第二段Safety could be one reason for sleep.Sleep might also help you work better.Things go wrong if you do not get enough sleep.Besides,sleep is necessary for good health.可知科学家分析睡眠的原因是三个,故选B.
62.C细节理解题.根据sleep is necessary for good health.可知睡眠对健康是必要的.即如果睡眠不好身体就不好,故选C.
63.A细节理解题.根据You dream during REM sleep可知你在REM睡眠会做梦.故选A.
64.C词义猜测题.根据本段第一句:如果你入睡困难,有些人建议慢慢地深呼吸,可以推断出此处应该是:有些人认为喝热牛奶会帮助你使你入睡,故选C.
点评 做题时要在理解好文意的基础上,与题目有机的结合,从文章中找到相关细节性的句子与选项细细比对,进行选择或推理判断,选出符合文章内容的正确选项.做题注意灵活,有时可采用排除法或直选法确定出最终答案.
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