阅读理解 The next time you use telephone and Internet, you can probably thank Charles Kao, who was one of the Nobel Prize in physics winners on October 6, 2009．His idea of fiber-opticcommunications has 题目和参考答案——青夏教育精英家教网—

阅读理解

　　The next time you use telephone and Internet, you can probably thank Charles Kao(高锟), who was one of the Nobel Prize in physics winners on October 6, 2009．His idea of fiber-optic(光纤)communications has made the modern telephone and Internet possible．People can exchange text, music and photos around the world within seconds thanks to this technology．

　　Half the＄1.4 million prize goes to Charles Kao, 75, for discovering how to send light signals long distance through hair-thin glass fibers．The other half goes to the Americans Boyle, 85, and Smith, 79, for inventing a sensor(传感器)that turns light into electrical signals．Their invention led to digital cameras．

　　Kao was born in Shanghai in 1933 and now has both American and British citizenship(公民身份)．

　　Kao has been interested in science since he was a boy．He once tried making a bomb(炸弹)at home using chemicals and water; then he threw it in the street．Fortunately, no one was hurt!

　　After primary school and the first year of middle school, Kao moved to Hong Kong with his family．He went to Hong Kong University, but he had to go to London University to study electrical engineering．Later he studied fiber-optic communications．

　　Kao said in 1966 that glass fibers could carry light over long distances．Not many took him seriously at the time．But in 1970, researchers in the US were able to make the material．

　　Today the fibers are used throughout the world in computer cables and other cables．The light that flows through them sends text, music, pictures and video globally in less than a second．If you put together all the fibers in the world, you would get a single thread over 1 billion kilometers long．That is enough to go around the globe more than 25, 000 times．

(1)

Why was Charles Kao awarded the Nobel Prize in physics?
[　　]
A．	Because he invented the modern telephone and Internet．
B．	Because he together with Boyle and Smith invented a sensor which changes light into electrical signals．
C．	Because his idea led to the invention of digital cameras．
D．	Because he discovered the way to send light signals through glass fibers．

(2)

The passage mainly tells us ________．
[　　]
A．	Charles Kao's contribution and his growth
B．	Charles Kao together with Boyle and Smith won the Nobel Prize in physics
C．	how Charles Kao discovered fiber-optic communications
D．	how Charles Kao became a great scientist

(3)

When probably did Charles Kao discover fiber could carry light over long distances?
[　　]
A．	In 1970．
B．	In the mid 1960s．
C．	Soon after leaving Hong Kong University．
D．	Before his graduation from London University．

(4)

Which of the following is TRUE according to the passage?
[　　]
A．	Charles Kao left his parents and went to Hong Kong after the first year of middle school．
B．	Charles Kao is a Chinese-American．
C．	Only a few people considered Charles Kao's idea very useful at the very beginning．
D．	Charles Kao studied fiber-optic communications in Hong Kong University．

答案：1．D;2．A;3．B;4．C;
解析：

(1)	细节理解题。从文章第二段第一句Half the ＄1.4 million prize goes to Charles Kao, 75, for discovering how to send light signals long distance through hair-thin glass fibers．可知D项正确。
(2)	主旨大意题。全文从Charles Kao获得诺贝尔物理学奖谈起，文章开始主要讲述Charles Kao对物理学的贡献，后文主要讲述他的成长。
(3)	细节理解题。从文章倒数第二段第一句Kao said in 1966 that glass fibers could carry light over long distances．可知B项正确。
(4)	细节理解题。从文章倒数第二段第二句Not many took him seriously at the time．可知C项正确。从文章第三段和倒数第三段可知A、B、D三项错误。

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