问题 多选题

M,N两金属板竖直放置,使其带电,悬挂其中的带电小球P如图偏离竖直方向。下列哪一项措施会使OP悬线与竖直方向的夹角增大?(P球不与金属极板接触)

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A.增大MN两极板间的电势差

B.增大MN两极板的带电量

C.保持板间间距不变,将M,N板一起向右平移

D.保持板间间距不变,将M,N板一起向左平移

答案

AB

阅读理解

阅读理解。

     There are two deaf men in a small village.  One is Mr. Green and the other is Mr. Brown.  They live

near to each other. They are good friends .              

     They often talk together. They talk about all kinds of things.  Sometimes they are worried about their

hearing.  But one thinks the other is much deafer.            

     One day, Mr. Brown comes to Mr. Green' s house.  Mr. Green is. sitting in a chair,he is having a rest.Mr. Brown stops at the door and asks,' "Can you hear me?"There is no answer.  Mr. Brown goes near

and asks again, "Can you hear me?"Again he doesn't hear any answer.  Mr. Brown is quite pleased.  Still

he goes nearer and asks for the third time. Still there is no answer. At last Mr. Brown goes up to Mr.

Green and says,"now I know you are much deafer than me. You don't hear my questions. " "I am much

deafer?" says Mr.Green, "No, I answer you three times, but you don't hear my answer. "    

1. The two deaf men live in __________ .

A. China

B. a city

C. a village

D. a large village

2. They often __________together.

A. swim

B. listen to music

C. sing

D. talk

3. Why is Mr. Brown pleased one day? Because he ____________

A. goes to Mr. Green' s house

B. thinks Mr. Green is deafer

C. asks a question

D. is deaf

4. They often talk about ___________.

A. some interesting things

B. happy things

C. their hearing

D. all kinds of things .

5. Which is not right?

A. Both Mr. Brown and Mr. Green are deaf.

B. One of them thinks the other is deafer

C. They are womed about their money.

D. Mr. Brown is deafer.