碘化钾有使碘助溶和稳定的作用，下列哪个碘化物有助溶和稳定的作用A．碘奥酮(碘吡拉舍)

阅读理解。

     Daming, Betty and I are good friends. We are in the same (相同的) grade. They are in Class One, 

and I am in Class Two. We get up at seven o'clock and go to school. They have English at ten o'clock in

the morning and I have it at eleven o'clock. English is my favourite lesson. They like Chinese very much.

But we all like having P. E. (体育).

     In the afternoon,  at half past two we have art lessons in the same classroom. After that we often play

football on the playground. We all like football. Sometimes we play computer games at my home. We

don't watch TV. We do our homework at Daming's home. We all help our mothers do the housework. 

1. Daming, Betty and I are in the same _____.

A. class

B. family

C. house

D. school

2. All of us like _____ very much.

A. maths

B. P. E.

C. chemistry

D. art

3. We have _____ lessons in the same classroom.

A. English

B. art

C. Chinese

D. maths

4. We play computer games _____.

A. at Betty's home

B. at Daming's home

C. at my home

D. at school

5. We do our homework _____.

A. at Daming's home

B. at my home

C. at school

D. in the classroom

完成句子。共5小题，计10分

小题1:我妈妈想让我每天都喝牛奶。

My mother __________    __________   ______ drink milk every day.

小题2:你多久去一次超市？

_________   ________ do you go to the supermarket?

小题3:事实上，我对音乐不感兴趣。

________   ___________，I am not interested in music.

小题4:马克擅长英语。

Mark _______  ______  _______ English.

小题5:我无法接受肥皂剧。

I _________   _______ soap operas.

电流强度表达公式（）

A、I=Q/t

B、Q=I/t

C、I=t/Q

D、t=Q/I

尼日尔人款待客人的上好食品是（）。

A.烤羊肉

B.香蕉

C.高粱

D.芒果

E.马奶酒

图形背景相互关系