Schoolchildren need enough(足够的) sleep every night. They usually have to get up at 7 o’clock in the morning to get ready for school. So they should go to bed at 9 o’clock in the evening.

         It can be hard to get to bed sometimes. There are so many fun things to do, such as watching TV and playing on the computer or phones. But sleep is important. While you are sleeping, your brain(大脑) helps you remember what you learn at school. Sleeping can also repair(修复) your body (like if you cut your foot or hurt a muscle). Your body grows a lot while you are sleeping!

         To have a good sleep, you should turn off screens (TV and computers) and read a book or talk with the people you love. Then you go to bed, to grow, rest and have lots of energy(能量) for the next day.

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1.How long should schoolchildren sleep every night?

A Seven hours.

B Eight hours.

C Ten hours.

D Twelve hours.

解析：选C。C 推理判断题。根据第一段的“get up at 7 o’clock in the morning”和“go to bed at 9 o’clock in the evening”可知，晚上九点睡觉，早上七点起床，即睡觉10个小时。故选C。

2.What does the writer think is fun?

A Sleeping

B Reading.

C Talking.

D Watching TV.

解析：选D。D 细节理解题。根据第二段第二句“There are so many fun things to do, such as watching TV and playing on the computer or phones.”可知，看电视和玩电脑或手机是很好玩的。故选D。

3.Sleep can do all the following EXCEPT(除了) _________.

A helping remember lessons

B hurting your foot

C helping your body grow

D keeping you healthy

解析：选B。B 细节理解题。根据第二段最后三句，可知当你在睡觉的时候，你可以记住在学校学的东西，睡眠可以修复你受伤的身体部位，你的身体在睡觉过程中成长。A、C、D三项都是睡眠可以做到的。故选B。

4.What should you do before getting to bed?

A Read a book.

B Watch TV.

C Play computer games.

D Grow your body.

解析：选A。A 细节理解题。根据第三段第一句的“you should turn off screens (TV and computers) and read a book or talk with the people you love”可知，睡觉前应该看看书或者和你爱的人聊聊天。故选A。

5.What’s the topic of the passage?

A School.

B Sleep.

C Children.

D TV.

解析：选B。B 主旨大意题。根据本文中反复出现的sleep可知，这是文章的中心词。故选B。