1. (2021七上·长春月考) 据短文，选择正确答案。

Experts (专家) say that students usually need eight to ten hours' sleep at night，but many Chinese students don't have enough (足够的) sleep. Some Chinese parents are usually happy to see their children studying late. They think their children work hard. But not all parents are happy about this. Once a mother said that her 10-year-old son asked for one more minute to sleep every morning. Many students have to get up before six in the morning, just like "early birds".

If students don't have a good sleep. they may be sleepy (瞌睡) in class and some of them will be weaker (更弱) than they should be. They won't do well in their classes. Too much homework is not the only reason (理由) why students stay up late Some students watch TV or play computer games late into the night.

Students should have good study habits. Some clever students never study late, but they can still work well in class.

1. （1） Why does the 10-year-old boy ask for one more minute to sleep?

   A . Because he doesn't have enough sleep B . Because it isn't time for him to get up C . Because he doesn't want to go to school D . Because he wants his mother to wake him up, (叫醒)
3. （2） We call the students "early birds "because they.        

   A . get up early B . get up late C . don't want to sleep D . want to go to bed
5. （3） The underlined phrase (词组) "stay up late" means (意思是)

   A . study late B . watch TV late C . play the computer games late D . go to bed late
7. （4） From the passage (文章) we know if (如果) students don't have enough sleep, they may              

   A . be good at English B . not work well in class C . go to bed early D . not sleep
9. （5） From the passage, we know that         

   A . if you want to study well, you should do too much homework B . if you want to study well in class, you should always go to bed late. C . students don't have enough sleep just because they have too much homework。 D . some students can study well because they have good study habits.