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    Tears came into this mother’s eyes when she talked about waking up her son．Every morning，her ten-year-old boy puts up one finger with his eyes still closed，begging for one more minute to sleep．

   Why is he so sleepy? Because, like thousands of student“early birds”in China，he has to get up before 6 a．m．every morning．

   School students usually need eight to ten hours’ sleep at night．But in Shanghai，it’s reported that 90％of the students do not get enough sleep．And studies show that without a good night’s sleep．students seem to be weaker than they should be．Many become nearsighted(近視)as a result．

   Li Ming，a student at Qinghua High School，said that he usually goes to bed after 11P．m．But when he has exams coming up，he can stay up as late as midnight．This“night bird”lifestyle(生活方式)has made many students nod off(打瞌睡)in class．Li Ming said that it is during afternoon classes that he feels most sleepy．“My parents are usually happy to see me studying so late．”he said．“They think I work very hard and they make me cups of coffee．”

    However，not all parents are happy about this．“My daughter gets up so early．She looks tired and it really hurts me，”said one of the parents．Why don’t so many students get enough sleep? Now many members of society began to think about it．

1．The ten-year-old boy’s mother talked about waking up her son with tears in her eyes because      ．

    A．her son’s lack of(缺少)sleep hurt her but she had to wake him up

    B．her son wasn’t good at lessons

    C．she thought her son was too lazy

    D．her son was badly ill

2．School students usually need to sleep for        a night．

    A．more than ten hours            B．a(chǎn)t least eight hours

    C．less than eight hours              D．six to eight hours

3．For school students，lack of sleep may lead to(導(dǎo)致)      ．

    A．the body’s weakness                  B．nodding off in class

    C．near sighted eyes                  D．a(chǎn)ll the above

4．Li Ming’s mother is          to see him studying late．

    A．sorry            B．worried                C．happy      D．a(chǎn)ngry

5．Which one is true according to the passage?

    A．All the parents hope their children stay up．

    B．No students complain about their lack of sleep．

    C．Most students watch TV or play computer games deep into the night．

D．Some parents are worried about the fact that most of the students don’t have enough sleep．