问题补充：
In China , more and more middle schoolstudents are getting shorter sleeping time than before. Most students sleepless than nine hours every night, because they have much homework to do. Somehomework is given by their teachers, and some by their parents. Also, somestudents don know how to save time. They are not careful enough while they dotheir homework, so it takes them a lot of time. Some students spend too muchtime watching TV or playing computer games. They stay up (熬夜) very late. Some studentshave to get up early every morning on weekdays to get to school n time by busor by bike. It can be a long way from home to school.
Schoolsand parents should cut down some of the homework so that our children can enjoymore than nine hours of sleep every night for their health. For children, weshould make best use of our time. When we have enough time for sleeping, wewill find it much better for both our study and health.
1.What makes most students sleep less thannine hours every night?
A．Watching TV.
B．Playing computer games.
C．Doing their homework.
D．Doing housework.
2.Who else gives children some homework todo except their teachers?
A．Their parents.
B．Other students.
C．The children themselves.
D．Nobody else.
3.How many hours of sleep is good forstudents health?
A．Less than 9 hours.
B．Over 9 hours.
C．Only 9 hours.
D．8 hours.
4.What would happen to a student who oftengoes to bed late and gets up early?
A．He would fall asleep in class.
B．He would do well in study.
C．He would finish his homework fast.
D．He would have good health.
5.Which of the following is NOT true?
A．Some students are so careless that they spend lots of time on their homework.
B．All the students stay up late for their homework.
C．Children should be given less homework.
D．Schools and parents should take care of children.
答案：
答案:【答案】
1. C
2. A
3. B
4. A
5.B
【解析】
1.细节理解题，根据文中语句“Most students sleep less than nine hours every night, because theyhave much homework to do.”理解可知。学生睡眠不足的主要原因是太多的家庭作业，故选C。
2.细节理解题，根据文中语句“Some homework is given by their teachers, and some by theirparents.”理解可知。学生的家庭作业不仅是老师布置，还有家长，故选A。
3.细节理解题，根据文中语句“our children can enjoy more than nine hours of sleep every nightfor their health”理解可知。学生每天需要9小时的睡眠，故选B
4.理解归纳题，根据文中语句理解可知，学生睡眠不足时，常做课堂上睡觉故选A。。
5.理解判断题，根据文中语句“Some students spend too much time watching TV or playing computergames. They stay up (熬夜) very late..”理解可知并不是所有的学生熬夜都是为了学习，故选B。
