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1、1Unit 3 The Generation GapI. Vocabulary and Structureembarrassconsistoverallsimultaneouslyexhaustexceptionalembracenotionacknowledgefadedistractgloriousinterferencejuniorrespondjustifylegalconsist of narrow downtrade forfor a timemeet withall alongmixed marriageat any rateknow better than to do sthf
2、ill outlearn oftake care ofmake clearPart II Reading ComprehensionQuestions 1 to 5 are based on the following passage:The Leaning Tower of Pisa has defied (违背) the laws of gravity for seven and a half centuries. Every year, on June 19th, a professor from the University of Pisa climbs to the bell tow
3、er and measures the increase in the slant with special instruments. And every year the professor makes the same report: the tower has leaned a fraction of an inch more. Last summer, the 125 foot-high tower was leaning an incredible 15 feet out of line. Scientists say that unless a way is found to st
4、op the tilt, the tower will collapse in less than 80 years.The tower is leaning because the soft subsoil of Pisa will not support it. Its foundation is sinking into the soil at an angle, causing the tower to lean. Since a tremor could shake the foundation loose, the ringing of the towers bells was f
5、orbidden in 1959. Trucks are not allowed to pass in the neighborhood of the tower for this same reason.1. The statement which best expresses the main idea of this passage is that _.A. the Leaning Tower of Pisa is in increasing danger of collapsingB. every year a professor measures the increase in th
6、e towers slantC. the tower is leaning because the subsoil of Pisa will not support itD. there is only one way to save the Leaning Tower of Pisa2. It can be inferred from the passage that last summer the tower was found tilted further by _.A. 15 feet B. more than one inchC. a fraction of an inch D. s
7、everal inches3. The tower tilts more and more because _.2A. the ringing of the bells causes a tremor B. there are passing trucks nearbyC. it is built on soft soil D. its foundation has been shaken loose4. Why is the tower described as defying the laws of gravity?A. It had resisted shaking tremors fo
8、r hundreds of years.B. It was built on soft ground.C. It leans a fraction of an inch more every year.D. Scientists think that it should have collapsed long ago.5. Truck traffic has been forbidden in the neighborhood of the tower _.A. to protect the drivers B. to prevent accidentsC. as a precaution a
9、gainst shaking tremors D. because trucks damage the foundationQuestions 6 to 10 are based on the following passage:Napoleon Bonaparte was the master of Europe. He wanted to be the master of the whole world. But he had to first win England, and to win England he had to cross the English Channel in fo
10、rce. If only he had ships which could ignore wind and current and tide and outtravel the British war vessels.Just at that time, there came to his court an American inventor, Robert Fulton by name. Fulton had invented a way of propelling ships by steam instead of by sails.He had also worked out a sub
11、marine torpedo (鱼雷) boat. He made successful tests of both these inventions, to the satisfaction of Napoleons most doubting navy experts.The problem was solved. It was Napoleons God-given opportunity. He wanted very much to try Fultons idea. Then he decided against it.If Fultons invention should fai
12、l, Napoleon feared he would be the laughing-stock of Europe. He could not afford to be laughed at. So he refused to pay the price of a laugh, and incidentally, he threw away world conquest.6. Napoleons refusal to pay the price of a laugh probably cost him _.A. much trouble B. world conquestC. bloods
13、hed D. immense human lives7. At first the naval experts of Napoleon were _.A. suspicious B. astonishedC. annoyed with Fultons inventions D. satisfied8. The ultimate aim of Napoleon was to _.A. win England B. conquer the whole worldC. outtravel the British war vessels D. be the king of France9. Which
14、 of the following statements is true?A. Fulton was a French inventor.B. Napoleon threw away world conquest on purpose.C. Napoleon did not want very much to try Fultons idea.D. Fultons inventions proved to be successful.10. A submarine boat is one that _.A. is used to carry passengersB. is able to op
15、erate under the surface of the seaC. carries mainly goodsD. is moved by one or more paddies3Questions 11 to 15 are based on the following passage:All the useful energy at the surface of the earth comes from the activity of the sun. The sun heats and feeds mankind. Each year it provides men with two hundred million tons of grain and nearly ten million tons of wood.Coal, oil, natural gas, and all other fuels are stored-up energy
