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1、理工英语（3）作业2本作业由四部分组成，第一部分：交际用语；第二部分：词汇语法；第三部分：阅读理解；第四部分：写作。建议在90分钟内完成本作业。写作部分要求写在给定的位置上。每次作业满分为100分。 一、 交际用语（每题2分，共10分）1-5题：阅读下面的小对话，选择恰当的答案。答案：1. B 2. B 3. C 4. C 5. B 1. -You dont like buying things online, do you? -_. A. Yes, I dont like it muchB. No, Im a little worried about securityC. No. Its v
2、ery convenient2. -Do you still like playing Majiang now?-_.A. Yes. Its not so interestingB. Not at all. I havent played it for agesC. Its too boring3. - Some cars are really expensive.-_. A. Certainly they are. They burn less gasB. I do hope soC. I dont know about that4. -I saw a car crash into the
3、tree just now.- _. A. You should drive safely.B. a car? Not a man?C. Wow, thats scaring.5. -I was worried about this out-dated equipment. - _. A. You are so luckyB. Its too oldC. Yeah, it may bring a health hazard二、词汇用法（共计30分，每小题2分）6-20题：阅读下面的句子，从A、B、C三个选项中选出一个能填入空白处的最佳选项。答案：6. B 7. A 8. A 9. A 10.
4、C 11. B 12. A 13. C 14. C 15. C 16.A 17.C 18.A 19.B 20.C6. Denmark recognized the _ of wind energy early. A. possibly B. potential C. power 7. She _ close contacts with the scientist for many years. A. maintained B. stayedC. claimed8. He gave the boss a report which _ the current market. A. analyzed
5、B. explainedC. expected9. Its no use _ here, lets go home. A. waitingB. to waitC. wait10. He is the right person to _ such a large wine company. A. ruleB. managingC. supervise11. The boy still remembered the moment _ he dropped from the ladderA. whenB. thatC. how12. No one can be sure _ in a million
6、 years.A. what man will look likeB. what will man look likeC. man will loook like what13. I really appreciate _ to help me, but I am sure that I will be able to manage by meyself. A. you to offerB. your offeringC. that you offer14.This medicine _ before dinner.A. should have takenB. should have been
7、 tookC. should be taken15. If I had time _ see that new movie at the University Theatre.A. IllB. I mayC. Id16.He _ with his wife on household expenses. A. argueB. debateC. dispute17. _ Mr Zhang said is quite right.A. ThatB. WhenC. What18. What I should do is _ the task soon. A. to finishB. finishedC
8、. be finished19. All the mobilephones must _ before the meeting begins.A. turn offB. be turned offC. be turning off20. These shops _ to the needs of children. A. meetB. solveC. cater三、 阅读理解（共40分，每小题4分）21-25题：阅读短文， 从A、B、C三个选项中选出一个正确答案 答案：短文理解1 21-25题 21. C 22. C 23. C 24. A 25. B 短文理解2 26-30题 26. F 2
9、7. T 28. T 29. T 30. FPassage 1Forces other than damaging winds are also at work inside tornadeoes. Sometimes, as the wind passes a house, the wals and ceiling burst apart as if a bomb had gone off inside. This explosion is caused by the low aire pressure at the ceter of a tornado.The pressure at th
10、e ceter of a tornado is usually 13 pounds per square inch. However, inside the house the air pressure is normal, about 15 poungds per square inch. The differnce of 2 pounds per square inch between the inside and outside pressure may not seem like much. But suppose a tornado passes over a small build
11、ing that measures 20 by 10 by 10 feet. On each square inch of the building, there is a 2 pounds of pressure from the inside that is not balanced by aire pressure outside the building. On the ceiling, that adds up to an unbalanced pressure of 57600 pounds. The pressure of the four walls addds up to 1
12、72800 pounds.If windows are open in the building, some of the inside air will rush out through them. This will balance the pressure inside and outside the building. But iif the windows are shut tightly, the huge inside pressure may cause the building to burst. Unfortunately, heavy rain often occurs
13、in the storms that later produce tornadoes, so people often shut their window. This may cause foar worse damage later. 21. What did the paragraph before this passage most probably discuss?A. Measuring rainfall from a storm B. The kinds of damage caused by explosionsC. The powerful winds of tornadoes
14、. 22. Which of the following is the main topic of the passage?A. How tornadoes can be prevented.B. When tornadoes usually occur.C. Why tornadoes cause so much damage.23. Tornadoes can destroy buildings because the A. force of a tornado increases the air pressure in a building. B. air pressure inside a tornado is less than the air pressure inside a building.C. air pressure at the center of a tornado is voer 172000 pounds. 24. What is the difference per squaare inch between the air pressure inside a building and the air pressure innsidea a tornado?A. 2 pounds.
