搜题请搜索小程序“爱下问搜题”
问题 解答题
4
5
的
2
3
除以
7
3
，结果是多少？
答案

4
5
×
2
3
÷
7
3

=

8
15
÷
7
3

=

8
35
．

答：结果是

8
35
．

选择题

--- Are you worried when your son often plays computer games?

--- Yes. I think playing too many computer games ______ on teenagers.

A．have a good effect

B．has a good effect

C．has a bad effect

D．have a bad effect
查看答案
选择题
— Do you like your school life?
— It’s hard to say. If there were no _____ examinations, I should have ____ much happier time at school.

A. an; a    
B. /; a     
C. a; the  
D. /; /
查看答案