任务型阅读
Students often have a lot of homework to do, but when school is over, many parents are still(仍然) at work. So
students may not do homework well at home. Many schools have Homework Clubs. Parents like them very much.
They call the club Fangxin Class.
The Homework Club is a place(地方) for students to do their homework. In the club, students don't have classes.
They do their homework here. After that, they can draw pictures or play football. The teachers help students when
they need help.
The Homework Club is often in a classroom in the school. It is an activity(活动) after school on weekdays. On
weekends, Homework Clubs don't open.
根据文章内容，回答下列问题
1. What do parents call the Homework Club?
_________________________________________________________
2. What is the Homework Club?
_________________________________________________________
3. What can students do in the Homework Club?
A. Do their homework there.
B. Draw pictures.
C. Play football.
D. A B and C
4. Where is the Homework Club?
_________________________________________________________
5. When do students go to the Homework Club?
_________________________________________________________
和S2，已知
服从χ2(m)分布，则m=______．
，
与S2相互独立，
，
，即m=n．
