【題目】World Sleep Day is March 21.Many experts have held a press conference (新聞發(fā)布會(huì)) in Beijing Hotel.Sleep is sometimes called “the cousin of death”.But funnily enough, it is also one of the most important things we need to stay alive.People spend almost a third of their lives doing one things: sleeping.Sleep is like food for the brain.Enough sleep helps the body and brain grow and develop.

People of different ages need different amounts (數(shù)量) of sleep.According to the National Sleep Foundation in the US, adults need seven to nine hours of sleep every night.For students aged 10 to 17, a healthy amount is about eight to nine hours per night.

However, many students don’t get enough sleep because of early school start times and too much homework.The China Youth and Children Research Center reported that about 80% of middle school students don’t get enough sleep.Students without enough sleep may get poor grades.They can’t pay attention in class or do well in sports.

To solve this problem, scientists advise that students should get less schoolwork and more time to sleep.There are some other ways to help people get enough sleep, such as taking a 20-minutes nap (小睡) during the day.Good sleep habits are also helpful.For example, try to go to sleep and wake up at the same time every day, even on weekends and during holidays.

【1】How much sleep do adults need per night?

A.7~9 hours. B.8~10 hours.

C.More than 10 hours. D.Less than 7 hours.

【2】Why don’t many students get enough sleep?

A.Because they always stay up late and get up late.

B.Because they naturally wake up early and they have too much housework.

C.Because they have too much homework and their school starts too early.

D.Because they go to bed and wake up at the same time.

【3】What may happen if teens do not get enough sleep?

A.They may do well in sports.

B.They may not do well in their studies.

C.They will not finish their homework.

D.Their bodies and brains may grow better.

【4】Which is NOT a reason that so many students don’t get enough sleep?

A.They have too many exciting classes in the day.

B.They have too much homework to do.

C.They may have sleeping problems.

D.They have to get up very early to go to school.

【5】Which of the following is NOT a way of helping people get enough sleep?

A.Getting up at the same time every day.

B.Take a 20-minute nap during the day.

C.Having good sleep habits.

D.Take sleeping pills before going to sleep.

【答案】

【1】A

【2】C

【3】B

【4】A

【5】D

【解析】

試題分析：本文是一篇與睡眠相關(guān)的短文，講述了睡眠與健康的關(guān)系，不同年齡的人需要的睡眠時(shí)間，中國(guó)青少年學(xué)生的睡眠現(xiàn)狀以及解決措施等等。

【1】A 細(xì)節(jié)理解題。題意：成年人每天晚上需要多少睡眠？A.7~9 hours.七至九小時(shí)； B.8~10 hours.八至十小時(shí)；C.More than 10 hours.超過(guò)十小時(shí)；D.Less than 7 hours.不到七小時(shí)。根據(jù)第二段里的：adults need seven to nine hours of sleep every night.可知成年人每晚需要七至九小時(shí)睡眠。故選：A。

【2】C 細(xì)節(jié)理解題。題意：為什么許多學(xué)生得不到足夠的睡眠？A.Because they always stay up late and get up late.因?yàn)樗麄兛偸前疽沟胶芡矶移鸫餐�；B.Because they naturally wake up early and they have too much housework.因?yàn)樗麄兺ǔＰ训迷缍宜麄冏鳂I(yè)太多；C.Because they have too much homework and their school starts too early.因?yàn)樗麄冏鳂I(yè)多而且學(xué)校開(kāi)始上課早；D.Because they go to bed and wake up at the same time.因?yàn)樗麄冊(cè)谕粫r(shí)間睡覺(jué)、起床。由第三段第一句：However, many students don’t get enough sleep because of early school start times and too much homework.可知因?yàn)樯险n開(kāi)始時(shí)間早而且作業(yè)多，許多學(xué)生得不到足夠的睡眠。故選C。

【3】B 細(xì)節(jié)理解題。題意：如果青少年得不到足夠的睡眠，會(huì)發(fā)生什么？A.They may do well in sports.他們可能擅長(zhǎng)運(yùn)動(dòng)；B.They may not do well in their studies.他們可能學(xué)不好功課；C.They will not finish their homework.他們將會(huì)完不成作業(yè)；D.Their bodies and brains may grow better.他們的身體和大腦可能成長(zhǎng)得更好。由第三段最后的句子：Students without enough sleep may get poor grades.They can’t pay attention in class or do well in sports.可知，睡眠不足的學(xué)生可能成績(jī)差，課堂上無(wú)法集中精力，不能做好運(yùn)動(dòng)。故選：B

【4】A 推理判斷題。題意：哪一個(gè)不是那么多的學(xué)生得不到足夠的睡眠的原因？A.They have too many exciting classes in the day.白天他們有太多令人振奮的課；B.They have too much homework to do.他們有太多的作業(yè)要做；C.They may have sleeping problems.他們可能有睡眠問(wèn)題；D.They have to get up very early to go to school.他們必須早起去上學(xué)。根據(jù)短文第三、四段，可知睡眠不足是因?yàn)樽鳂I(yè)多，學(xué)校上課早，睡眠習(xí)慣不好。故選A。

【5】D 推理判斷題。題意：下面哪一個(gè)不是幫助人們得到足夠睡眠的方法？A.Getting up at the same time every day.每天在同一時(shí)間起床；B.Take a 20-minute nap during the day.白天小睡20分鐘；C.Having good sleep habits.養(yǎng)成好的睡眠習(xí)慣；D.Take sleeping pills before going to sleep.睡前吃安眠藥。根據(jù)短文最后一段，解決睡眠問(wèn)題可以減少作業(yè)、增加睡眠時(shí)間、白天小睡、養(yǎng)成好的睡眠習(xí)慣。故選D。

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