最新上海市第四届()初中学生科普英语竞赛试题优秀名师资料.doc
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1、上海市第四届(2004)初中学生科普英语竞赛试题上海市第四届(2004)初中学生科普英语竞赛 初赛试卷 (请把你选中的答案A、B、C或D做在答题卡或答题纸的规定位置上。) PART I Error Detection (辨错) (20分) 1. Studies show that visual information taking in by the left eye follows a neural A B C pathway that crosses over to the right hemisphere. D 2. Light, just as radio waves, X-rays
2、and so on, is a kind of electromagnetic waves. A B C D 3. Scientists search for the places where prehistoric people might live. A B C D 4. Baby ants need a great number of care and attention as do some other baby A B C D insects and animals. 5. The temperature has fallen below zero. If you went outs
3、ide without winter clothes, A B C you will freeze before long. D 6. Many people left good jobs in cities to try their luck at gold mining, but not many A B C successful. D 7. The cave, say the archeologists, had used for hundreds of thousands of years by A B C ancestors of humans and by ape-men. D 8
4、. Results from new studies show that sea turtles migrate between feeding and nesting A B C sites by sense the direction of ocean waves. D 9. Many ocean experts remain that stronger laws are needed to limit damage to the A B C oceans environment. D 1 10. Many scientists say that one of mans greatest
5、error has been to equate growth with A B C D advancement. 11. Researchers are studying these microbes as a way to help clear up lakes and rivers. A B C D 12. According to many AIDS experts, scientists are closer than ever to find a way to make A B C AIDS a controllable disease rather than a fatal on
6、e. D 13. To avoid to be seen by its enemies, the squid uses its natural flashlight, a light-emitting A B organ, to shine light on the underside of its body. C D 14. Under the proper conditions, decomposers can reduce pile of trash to almost nothing A B C and transplant some of it into fertile soil.
7、D 15. When shoppers buy plastic trash bags in a supermarket, labels on the bag carton A may say recyclable, biodegradable or some other environmental sensitive terms. B C D 16. For instance, some fish lay thousands of eggs at a time, most of them are eaten. A B C D 17. According to one theory, the m
8、ore offspring an animal species produces, the great will A B C be the chance that the species can survive. D 18. So there must be other way to explain why females are so often larger than males. A B C D 19. Mary felt sad seeing children drinking cola and throw milk away. A B C D 20. Edmund King said
9、 the study showed that not only the loud music is a nuisance to A B others, it could also be the cause of accidents. C D 2 PART II Multiple Choice (选择填空) (20分) 21. When the ants are first hatched , they are very small and _. A. hopeless B. useless C. helpless D. legless 22. That new experiment build
10、ing _ an area of 5000 square meters. A. includes B. holds C. takes D. covers 23. People should get _ of sleep as they need to feel rested. A. as many hours B. as much hours C. so much hour D. so many hour 24. The phenomenon of luck is not all down to chance, but is affected by a persons _disposition
11、. A. general B. gentle C. generous D. giant 25. The age of fossils can be found by a process _ carbon dating. A. being called B. called C. calling D. to call 26. Suddenly the battery on your mobile phone has _, you cant make any call for help.A. run down B. run after C. run off D. run out 27. When a
12、 plant or animal dies, the carbon 14 in the cells begins to _. A. break in B. break through C. break up D. break down 28. There is no proof that _ sleep will _ life. A. short length B. shorten length C. shortened lengthen D. shortening lengthen 29. The project team believes such computer would _in t
13、eaching and learning. A. play a major function B. perform a main function C. play a major role D. display a main role 30. Once a heart disease has seriously weakened a patients heart, heart _ can be performed to save his life. A. transplants B. transportation C. translations D. transforms 3 31. When
14、 readers were asked _ animals should be used for medical research, nearly 80 percent said yes. A. which B. what C. where D. whether 32. Feelings of pain _ when signals from nerve endings in the skin are sent to the brain. A. record B. resource C. result D. rescue 33. The scientist performed his expe
15、riment over and over again, _ till midnight. A. worked B. working C. to work D. have to work 34. Fourteen boys in the class shaved their heads after learning that their friend would lose his hair after receiving drug _ for cancer. A. trades B. treatments C. treasures D. tracks 35. The government pas
16、sed the laws to protect the plants and animals on the _ species list. A. endangered B. dangerous C. endangering D. danger 36. Cucumber beetles, which, _, could produce 33 million rootworms a serious agricultural pest. A. if allowed to lay eggs B. if allowing to lie eggs C. if allow laying eggs D. if
17、 to allow lying eggs 37. French scientists have found that the moon has another unexpected _: it affects the earths climate. A. insignificance B. influence C. instruction D. intelligence 38. Everything we eat and drink contains some salt; we can meet the bodys need for it from natural sources withou
18、t _ the salt bottle. A. referring to B. turning to C. keeping out D. putting away 39. However, the young whales _ health continued to test Yip, a marine scientist and his friends. A. delicious B. delicate C. sensitive D. dear 40. A discovery in the North Sea in Europe has led some scientists _ that
19、gas bubbles rising from the seafloor might have destroyed some of the ships in Bermuda Triangle. A. theorize B. to theorize C. theorized D. theorizing 4 PART III Cloze (完形填空) (20 分) Passage 1 A new study has shown that mosquitoes can carry AIDS viruses in their bodies for a few days, but the insects
20、 do not seem to spread the virus. In an 41 , mosquitoes that fed on blood 42 with the AIDS virus were later found to have the virus in their bodies. 43 , the mosquitoes did not seem to pass 44 the virus to a sample of uninfected blood when the mosquitoes fed on that sample. Similar experiments 45 re
21、cently in South Africa have 46 the same results. The AIDS virus can stay in a mosquito for two or three days, 47 to the experiment. While in the mosquito, the virus does not multiply. Thus, the mosquito might be viewed 48 a momentary flying syringe, that probably carries 49 too little AIDS virus to
22、50 the infection. 41. A. experience B. experiment C. example D. explanation 42. A. to infect B. infect C. infecting D. infected 43. A. However B. Moreover C. Therefore D. Besides 44. A. on B. by C. off D. for 45. A. concluded B. combined C. conducted D. concentrated 46. A. processed B. produced C. p
23、rogressed D. promoted 47. A. according B. due C. owing D. similar 48. A. to B. like C. for D. as 49. A. still B. even C. far D. much 50. A. slow B. spread C. speed D. stop Passage 2 All the useful energy at the surface of the earth comes from the activity of the sun. The sun heats and 51 mankind. Ea
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