理工英语作业新

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

15、 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.B. 13 pounds.C. 15 pounds.25. What w

16、ould happen if the wndows are shut tightly I the stormy weather?A. Tornadoes may be formed.B. The house may burst apart.C. There may not be any pressure inside the building. 26-30题：阅读下面的短文，根据文章内容进行判断，正确写“T”错误写“F” Passage 2It is amazing to note that the Internet is still such a new device, and yet it

17、 is one of the fastest and most powerful media tools. But think about it for a moment. On the Internet, a big oline company can be run by only two guys in their garage. So it is only reasonnable then, that people shopping online would be a little leery of the security levels. Internet gaints such as

18、 Microsoft knew consumer confidence was the key to getting virtual shoppiing offf the ground andt they work hard to make people feel safe to shop online.Credit card companies, too, quickly saw the potential for online shopping, and have installed thiings like onnline shopping insurance for people. I

19、f you ever have a problem with your online credit purchases, many credit card companies will happily refund your money and then set their claws on the company that wronged you. Now thats buying power!There are other bonuses for onlie shoppers, of course. O line & shy; ups, for one. No annoying mall

20、shopping carts with broken wheels and kids crying because their parents wont get them what they want.When shoppiing online, consumers can sit down, have a cofffee, and wear their slippers, not having to worry about their hair or parking, and just clicking through sale after sale. Comparison shopping

21、 couldnt be any easier. And thanks to courier companies getting in on the act, you never need to wait longer than a day or two to get those all iportant purchases delivered right to your door. No wonder so many companies are shaking their heads at traditional retailing and instead looking to the “virtual” world to attract