TPIH2500产生相位变化太大的原因有（）。A、损坏的感应棒 B、损坏的阻抗变压器

阅读理解。

     One day, Mr Smith is going to take a train to his hometown. When the train starts,one of his shoes falls

  to the ground. The train is running faster and faster and he can't pick it up. Then he quickly takes off the

 other one and throw it on the ground near the fallen shoe. A little boy on the train asks him,"Why do you

 do that?""I've already (已经) lost one shoe. "Mr Smith answers, "If a man picks them up,he may get a

  pair of shoes. "

1. Mr Smith is going to his hometown _____.

    A. by bus

    B. by train

    C. by bike

    D. on foot

2. What happens to the man when the train starts?He loses _____.

    A. his shoes

    B. his watch

    C. one of his shoes

    D. nothing

3. Mr Smith can't pick up the fallen shoe because _____.

    A. he don't want to take it

    B. the little boy has picked it up

    C. he thinks it is too old

    D. the train has already started

4. _____ throws the other shoe on the ground.

    A. Mr Smith

    B. The little boy

    C. Nobody

    D. The man and the boy

5. Which of the following is true?

    A. The boy wants the shoes.

    B. Mr Smith doesn't want the shoes.

    C. Mr Smith throws his fallen shoe on the ground.

    D. Mr Smith thinks a man may get a pair of shoes to wear if he throws the other near the fallen shoe.

下述有关后房型人工晶状体物像放大倍数的描述，正确的是（）。

A.1%～2%

B.3%～4%

C.5%～6%

D.7%～8%

E.9%～10%

不属于水的生理功能的是（）。

A.食物的主要成分

B.润滑作用

C.运输作用

D.调节体温

鉴证人获取涉税鉴证证据不可以用的方法是（）。

A.偷拍偷录

B.审阅书面材料

C.检查盘点实物

D.询问或函证事项

一个好的画家要么具有很高的绘画方面的天赋，要么就要经过刻苦的努力才会在绘画上有所成就。王先生在绘画上付出了艰辛的努力，说明：

A．王先生一定是一个好的画家

B．王先生不一定是一个好画家

C．王先生不可能成为一个好的画家

D．王先生有可能成为一个好的画家