Question

    March 21st is World Sleep Day. This year's slogan(口号)is “Healthy sleep, safe travel”. Its_____ is to let people know the importance of healthy sleep.

Sleep is like food for the brain, and enough sleep helps the body and brain grow and _____. According to the National Sleep Foundation in the US, adults need seven to nine hours of sleep every night. _____  students aged 10 to 17, a healthy sleep is about eight to nine hours per night.

But many students don't get enough sleep because of _____ school start time and heavy homework. About 80 percent of middle school students don't get enough sleep, the China Youth and Children Research Center reported. For some students, they want to sleep early, but they keep worrying about their schoolwork and can't_____ quickly. For others, they may even have insomnia(失眠)．

These sleeping problems greatly affect people's life. Studies have shown that the lack of sleep for teenagers leads to poor _____. Students without enough_____ can't pay attention to class or do well in sports. Also, the lack of sleep may make them depressed.

_____, people should form good sleep habits. With good sleep habits, it is easier to fall asleep. Some of these good habits include _____ drinks that make people excited late at night, going to bed at the certain time each night, and sleeping in a ______ place that is dark, quiet and neither too warm nor too cold.

1.A.suggestion B.goal C.influence D.work

2.A.develop B.stop C.use D.change

3.A.For B.To C.As D.On

4.A.late B.slow C.early D.fast

5.A.fall off B.fall asleep C.get up D.stay up

6.A.manners B.grades C.mistakes D.tasks

7.A.habit B.life C.water D.sleep

8.A.Therefore B.Moreover C.Instead D.However

9.A.allowing B.avoiding C.having D.requiring

10.A.noisy B.healthy C.cheap D.comfortable

Answer

1.B

2.A

3.A

4.C

5.B

6.B

7.D

8.A

9.B

10.D

【解析】

【主旨大意】本文是一篇说明文。主要介绍了在“世界睡眠日”来临之际，作者指出了大部分青少年存在睡眠不足的现象以及出现这种现象的原因及危害。最后，作者提出了提高睡眠质量的方法。