问题 单项选择题

光电倍增管是()扫描仪常采用的光电转换器件。

A、平台式

B、滚筒式

C、手持式

D、反射式

答案

参考答案:B

阅读理解

阅读理解。

     John lived with her mother when he was young. He didn't know who  his father was.  The woman did

some washing for the rich and could buy only some bread for her son.  So  the  boy  was  short and thin.

     One cold morning there was  much  snow  in  the streets.  A  car knocked  the woman down and the

policemen took her to the hospital. She didn't tell John that his father deserted(遗弃) her before he was

born until she died. She left her son the name and address of his father.

     John found his father, Mr. Brown, in another city. He was one of the richest shopkeepers and he had

to receive his son.  From  then  on  the boy lived a rich life.  He ate all kinds of  deliciou s food and wore

beautiful clothes. But he didn't go to school and could not read or write.

     Once his father took him to a party, he  saw  a  newspaper lying  on  the floor and picked it up while

others were talking about a film. He had a look at it and found  a  car's  wheels were upward,  he called

out, "Oh, dear! An accident happened!"

     All the people were surprised and began to read the newspaper. But soon they all began to laugh. Do

you know why?

1. John didn't know his father because ____________.

A. the man was rich                    

B. the man deserted his mother

C. his mother left the man              

D. the man didn't like him

2. John was short and thin because ______________.

A. he didn't like sports                  

B. his parents were short too

C. he was often hungry when he was young  

D. his mother never gave him food

3. The woman told John who his father was ______________.

A. after she was knocked down by a car    

B. before her son left

C. before she was in hospital            

D. before she died

4. After John found his father, __________.

A. he was angry with the man            

B. he started a rich life

C. he wouldn't live with him            

D. the man was bad to him

5. The people at the party laughed at him because____________.

A. he held the newspaper upside down    

B. he wasn't polite

C. the newspaper was yesterday's        

D. he wasn't clever  

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