2012煙臺(tái)中考英語(yǔ)試題試卷及參考答案

　　根據(jù)短文內(nèi)容，選擇最佳答案。(每小題1分)
　　51. When did we first know why we look like other people in our family?
　　A. In 1860.           B. In 1953.            C. In 1961.            D. In 2000.
　　52. What does the underlined word “gene” mean?
　　A. The “map” of DNA.                      B. A special language.
　　C. Small parts of DNA.                      D. DNA.
　　53. What did the two scientists first discover in 1961?
　　A. The “map” of DNA.                    B. A new illness.
　　C. The language of DNA.                    D. A message of DNA.
　　54. What can we do if we understand some “words” of the language inside the body?
　　A. Make people get new jobs.              B. Make medicine for illnesses.
　　C. Make maps of human.                 D. Make people less attractive.
　　55. What do people think about this work?
　　A. It can cause good or bad results.             B. It can cause only good results.
　　C. It can cause good results but won’t work.      D. It can cause only bad results.
　　【任務(wù)型閱讀】(每小題2分)
　　C
　　Twentieth Century Inventions
　　●●●1903-The first flight succeeded.
　　In 1900, Wilbur Wright said flight was possible for man. After much work he and his brother Orville Wright made this dream come true.
　　On December 17, 1903, the brothers made the first successful airplane flight on a windy beach at Kitty Hawk, North Carolina. The brothers’ plane flew 120 feet. Although the flight lasted only 12 seconds, it moved the course of history in a new direction.
　　●●●1935-Nylon was invented.
　　In 1928, a new chemical lab was opened to make a kind of man-made materials. Wallace Carothers took part in the team when he was 32 years old.
　　In 1934, he made fibers (纖維), but the fibers were quite weak. He didn’t give up. After many experiments, he produced the long and strong fibers in 1935. They named the fibers “nylon”. Carothers was very satisfied with his work.
　　Nylon hit the markets in 1939, and quickly became a replacement of silk. But it was a pity that he didn’t see the wide use of his invention. He died in April, 1937.
　　●●●1968-The computer mouse was first shown in public.
　　As a graduate student, Douglas Engelbart began to imagine ways in which all sorts of information could be on screens.
　　In 1964, Douglas Engelbart made the first computer mouse. The computer mouse had a wooden shell with two metal wheels.
　　In 1968, the first computer mouse appeared in public. It was named “mouse” because a tail came out at the end. In later years, the computer mouse became more and more important.
　　Douglas Engelbart changed the way that computers worked.
　　Now computer mice are becoming increasingly useful. And there are many different shapes of computer mice in the world.
　　根據(jù)文章內(nèi)容，完成下列表格。
　　56. ___________InventionTimeInfluence
　　Wilbur Wright and his brotherairplane190357.________________________________
　　Wallace Carothersnylon193558. ________________________________
　　Douglas Engelbart59. ___________196460. ________________________________

　2012煙臺(tái)中考英語(yǔ)試題試卷及參考答案

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