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1、最新职称英语变题型分析与预测 根据xx年职称英语的出题特点跨题型出题,职场英语网精心挑选职称英语考试用书重点文章,进行变题型分析,编制了xx年职称英语考试预测题。这些文章职称英语考试用书的.“阅读判断”、“概括大意与完成句子”、“补全短文”。根据文章编制5道阅读理解题目,既可以帮助广大考生从不同角度理解教材,又具有一定的预测性。 Inventor of LED When Nick Holonyak set out to createa new kind of visible lighting using semiconductor alloys, his colleagues thought

2、he was unrealistic. Today, his discovery of light-emitting diodes or1 LEDs, are used in everything from DVDs to alarm clocks to airports. Dozens of his students have continued his work, developing lighting used in traffic lights and other everyday technology. On April 23, xx, Holonyak re _ived the $

3、500,000 Lemelson-MIT Prize at a _remony in Washington. This _rks that the Lemelson-MIT Program at the Massachusetts Institute of Technology (MIT) has given the award to prominent inventors. Anytime you get an award, big or little 2, its always a surprise, Holonyak said. Holonyak, 75, was a student o

4、f John Bardeen, an inventor of the transistor, in the early 1950s. After graduate school3, Holonyak worked at Bell Labs. He later went to General Electric4, where he invented a switch now widely used in house dimmer switches. Later, Holonyak started looking into how semiconductors could be used to g

5、enerate light. But he wanted to generate visible light. now last about 10 times longer than incandes _nt bulbs, and are more enviro _entally friendly and cost effective. Holonyak, now a professor of electrical and puter engineering and physicssaid he suspected that LEDs would bee as monpla _ as they

6、 are today. You dont know in the beginning. You think youre doing something important, you think its worth doing, but you really cant _ what the big payoff is going to be, and when,and how. You just dont know, he said. The Lemelson-MIT Program also recognized Edith Flanigen, 75, with the $100,000 Le

7、melson- MIT Lifetime Achievement Award for her work on a new generation of molecular sieves that can separate molecules by size. 1. How _ny years has the Lemelson-MIT Program has given the award to prominent inventors? A. 8. B. 9. C. 10. D. 11. 2. Nick Holonyaks colleagues thought semiconductor_. A.

8、 could generate visible light B. could generate invisible light C. could not generate light at all D. could be _de into LEDs 3. Which of the following is not the advantage of LED? A. LEDs are longer than incandes _nt bulbs. B. LEDs are less used in everyday technology. C. LEDs are more enviro _entally friendly. D. LEDs are cost effective. 4. Nick Holonyak invented the LED when he was_ years old. A. 75 B. 43 C. 23 D. 33 5. Nick Holonyak works _ now. A. a

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