问题 单项选择题

下列哪一种元器件既可以当作电子开关又可以当作放大器使用()

A.晶体管

B.电位器

C.单刀双掷开关

D.电压表

答案

参考答案:A

阅读理解

阅读理解。

       In 2009, Shanghai-born Charles K. Kao and two North American scientists got the 2009 Nobel

Prize (诺贝尔奖) in Physics together. Their work made the Internet come into a new age.

        Kao, 77, was born in Shanghai in 1933. He is famous for finding out how to transmit (传输)

light signals (信号) over long ways through glass fibers (玻璃纤维) as thin as a human hair. His work

makes the Internet information transmit faster around the world. Kao was vice chancellor (副校长) of

the Chinese University of Hong Kong from 1987 to 1996. He doesn't work, and lives in Hong Kong now.

        The Chinese people were pleased to learn the good news. "The people of Hong Kong and I send our

congratulations to Kao on receiving the prize. Kao is also a true gentleman. We are greatly proud to have

such an excellent person in Hong Kong." Zeng Yinquan once said.

        Willard Boyle, a Canadian American, and George Smith of the Untied States got the other half of

the prize.

1. Charles K. Kao was born in ______.

A. Shanghai

B. Hong Kong

C. Now York

2. How many scientists got the 2009 Noble Prize in Physics together?

A. One.

B. Two.

C. Three.

3. Zeng Yinquan thinks Kao is ______.

A. an excellent person in Hong Kong

B. a good student

C. an honest friend

4. Which of the following is not true?

A. Kao's work makes the Internet information transmit faster around the world.

B. Kao is still working in the Chinese University of Hong Kong now.

C. Willard Boyle and George Smith are both scientists.

5. The Chinese people feel ______ at the news that Kao got the Noble Prize.

A. interested

B. surprised

C. happy

单项选择题 A1/A2型题