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1、北大15秋大学英语3第五组作业参考答案 北大15秋大学英语3第五组作业答案 作业ID： 77004 1. 鼓励独立完成作业，严禁抄袭。 词汇与结构 Please give Jim the schedele fgh tgmghhgijs cgkfehekce ihek he lacm. He is to chair the conference. A. A. will come B. B. come C. C. comes D. D. came 正确答案：C 2. five minutes earlier, you would not have missed the last train for
2、 Shanghai, but you were late. A. A. Had you come B. B. Do you come C. C. Did you come D. D. Should you come 正确答案：A 3. After he worked out the solution, appeared a smile on his face. A. A. it B. B. here C. C. what D. D. there 正确答案：A 4. the fghmeh phesidektjs seppghtehs iekt get ik stheets tg exphess
3、their anger and dissatisfaction. A. A. A small amount of B. B. A large number of C. C. A little bit of D. D. A great deal of 正确答案：B 5. To be honest, tgdayjs dikkeh ias jest sg-sg. It iaskjt sech a good one _ _ promised by the boss. A. A. that B. B. which C. C. as D. D. what 正确答案：C 6. So many people
4、_c_ the meeting had to be put off. A. A. being absent B. B. to be absent C. C. were absent D. D. had been absent 正确答案：C 7. We often advise him not to drink more is good for his health. A. A. as B. B. that C. C. than D. D. but 正确答案：B 8.Did Charles vote in the last election? No, he wasnt . A. A. enoug
5、h old then B. B. then enough old C. C. old then enough D. D. old enough then 正确答案：D 9. By no means look down on those who are less lucky in life than we are.d A. A. we should B. B. should we C. C. we should not D. D. should we not 正确答案：D 10. He didnt feel like that day so he stayed indoors reading.
6、A. A. working B. B. works C. C. to work D. D. worked 正确答案：C 11. No sooner had we started on the road it began to rain. A. A. when B. B. than C. C. then D. D. whenever 正确答案：B 12. He decided to go for a sailing holiday the fact that he was usually seasick (晕船). A. A. because of B. B. in spite of C. C.
7、 in case of D. D. as a result of 正确答案：A 13. What you do in your spare time is your own a_ . However it should not be harmful to others. A. A. business B. B. purchase C. C. bargain D. D. sale 正确答案：A 14. As a gardener, Jim has to water the flowers and c the grass in the garden every morning. A. A. tri
8、m B. B. improve C. C. refine D. D. repair 正确答案：C 15. The firemen are still c the small fires started by the plane crash. A. A. taking off B. B. setting aside C. C. getting along with D. D. putting out 正确答案：C 16. 改错 请在以下句子划线部分中，挑出错误的选项。 The sun gives off light and warmth, that makes it possible for p
9、lants to grow. A. A. gives off B. B. that C. C. it D. D. for 正确答案：B 17. Sand painting has also called dry or earth painting and is practiced by several American Indian artists. A. A. has also called B. B. and C. C. is practiced D. D. several American Indian artists 正确答案：D 18. Humans, like many other
10、 animals, are warm-blooded with a fairly constantly body temperature. A. A. Humans B. B. like C. C. with D. D. fairly constantly 正确答案：D 19. Now that the stress of examinations and interviews are over, we can all relax for a while. A. A. Now that B. B. are C. C. all D. D. relax 正确答案：B 20. The tallest
11、 of the twins went to search for the missing jewels, the picture of which you saw in todays newspaper. A. A. tallest B. B. search for C. C. the picture of D. D. which 正确答案：A 21. 请阅读以下文章，回答文章后的五个小题。每个小题只有一个最佳选项。 The top of the world is a wonderland. In winter, the temperature often falls to -30F and
12、the sun never rises. The ocean is surrounded by frozen ground. There are few people or trees, but to polar bears, the Arctic(北极)is home. Polar bears have thick fur, big paws and other features that make them well prepared for life in their tough environment. In fact, they need the Arctic sea ice for survival. But climate change is causing larger and larger areas of summer sea ice to melt (融化). Experts say that if warming patterns continue, the Arctic could be free of summer sea ice by 2050. That