如图，平行板电容器充电后与电源断开，负极板接地，在两板间有一_爱下问搜题

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问题选择题

如图，平行板电容器充电后与电源断开，负极板接地，在两板间有一负电荷（电量很小）固定在P点．若将两板水平错开一段距离（两板间距离保持不变），则　[　　]

A．P点场强变大

B．P点电势升高

C．两板电压变大

D．负电荷的电势能变小

答案

ABCD

完形填空

完形填空。阅读短文, 并从四个选项中, 选择正确的答案。

     My father   1   a good friend in the factory (工厂). He is sixty. He is an old man. All of the children
like him. We call   2   Uncle Sam. He   3   from England. He   4   in Sichuan. He can't   5   Chinese.
We teach (教) him Chinese   6   he   7   us English. He   8   work   9   Sunday. He  10 making things.
And he likes watching TV with his children at night.

( )1. A. have
( )2. A. he
( )3. A. come
( )4. A. live
( )5. A. speak
( )6. A. or
( )7. A. teach
( )8. A. do
( )9. A. in
( )10. A. likes

B. haves
B. they
B. comes
B. living
B. tell
B. but
B. teachs
B. don't
B. on
B. like

C. has
C. him
C. goes
C. lives
C. say
C. and
C. teaches
C. does
C. for
C. to like

D. is
D. his
D. to come
D. to live
D. talk
D. until
D. teaching
D. doesn't
D. of
D. liking

填空题

写出下列数字。

1. 10 ___________ 2. 3 ___________

3. 5 ___________ 4. 8 ___________

5. 9 ___________