国家开放大学电大本科《理工英语4》期末试题及答案（6 、7试卷号：1388）.pdf

1、国家开放大学电大本科理工英语4期末试题及答案7（试卷号：1388)一、交际用语（共计10分，每小题2分）000. 1-5题：选择正确的语句完成下面对话，并将答案序号写在答题纸上。1.一Perhaps you have heard our products. Would you like to know something more? A. Sure. Go ahead.B. I don t need anything.C. Ive heard a lot about you.2. Space travel must be very expensive. _The cost of a seat

2、on the Virgin craft is $250,A. Thats not true.B. of course.C. Why do you think so?3.-Jeff, Id appreciate it if you could help me with the opening speech Im giving next week. but I 11 h ave sometime between five and six pm. A. Don t mention itB. Yes, it s as quiet as we expectedC. Well, it s pretty b

3、usy this morning4.-I h . -I have a scar on my face, so I ve makeup my mind to have a plastic surgery.A. Good idea.B. Ive no idea.C. Amazing.5. -Lets go to this movie and see what exciting experience it will bring to us. A. You are such a great fan.B. I am more interested in the film director.C. Cant

4、 wait to watch it. 二、词汇与结构（共计30分，每小题2分）6-20题：阅读下面的句子，从A、B、C三个选项中选出一一个能填入空白处的正确选项，并将答案序号写在答题纸上。6._he knows a lot about computer. A.A she is a childB. Child as is heC. Child a she is7. He is still a in handling such things.A. green handB. visitorC. adult8. This,they argue, will be essential to_the nee

5、ds of a booming populat ion in decades tocome and avoiding starvat ion. A. meetB. meet ingC. met9. Combining carbon and super - capaci tors_like a perfect marriage.A. seemsB. seesC. really10. _the new law is used one day, I hope it will not punish people using 30 printers for personalpurposes. A. wh

6、enB. whyC. If11. If Gardener. who will take care of us?A. leavesB. will leaveC. left12. Al though plastic surgery is created to improve the looks of a person, there area certainpercentage of A. effectB. resultsC. consequences13. It isan interesting story that I want to read it again.A. soB. suchC. m

7、any14. Our part of the mission is nearly complete and the new crew will for us.A. takeoverB. takeoutC. takeoff15. I think the benefits of opening up space far_the damage that we can see.A. outwitB. outweighC. outwear16. She s not very optimisticthe development of 3D printing. A. toB. aboutC. at17. A

8、bsolutely, that movieand I must admit that its director is brilliant.A. held my breathB. caught my breathC. took my breath away18. You can turn on the toy robot by this button.A. press ingB. pressC. pressed19. To masked me to go to play football and_A. so did IB.so I didC.so do I20. Weto deliver the

9、 goods within a week. A. assureB. guaranteeC. guard三、阅读理解（共计40分，每小题2分）21-25题：阅读下列短文，从A、B、C三个选项中选出一个正确答案，并将答案序号写在答题纸上。Passage 1 According to experts, the advantage of modified food is that it helps in preventing the occurrence of allergies and also has along shelf life. However, a major portion of th

10、e population is against the consumption of genetically modified food and is concerned about its disadvantages. If you are also confused about the consumption of genetically modified food.read through the pros and cons given below and decide for yourself. Advantages of Genetically Modified Foods (One

11、 of the most prominent advantages of genetically modified food is that it helps in controlling the occurrence of certain di seases. Certain foods cause allergy to people. Their genetic modification alters the DNA system of these foods, thereby making them non-allergic. Another ma jor advantage of su

12、ch type of foods is that they grow faster than their tradit ionally grown counterparts.As a result, there is greater productivity and more food. A person need not bother about any additional costs, such as buying chemicals and pesticides, when it comes to genetically engineered food. The food is nat

13、urally pest-resistant, Farming these foods can be a great way to fight world hunger. Since these crops grow faster or more effectively, increased production would help countries wherein crops may not normal ly prosper because of less than desirable environmental condi tions. The increased shelf life

14、 of these food products helps in reducing the quantity of rotten food. Di sadvantages of Genetically Modified Foods The biggest di sadvantage of genetically modified food is that they have harmful effects on the human body. The consumpt ion of these genetically engineered foods can lead to deve lopm

15、ent of diseases that are immune to ant ibiotics. Chances of developing cancer are high in people who regularly consume engineered food. Since it is an unnatural way of producing foods, there is an increased health hazard such as allergens.transfer of antibiotic resistance markers and unknown effects

16、. Since the production of engineered food involves infusing animal genes in the crops and tampering with nature, it might not be good for consumption in the long run. 21. How does genetically modified food control the occurrence of certain diseases?A. By cross- poll inat ing. .B. By convent ional cr

17、ossbreeding.C. By altering the DNA system of these foods.22. Do farmers need to buy any chemicals and pesticides if they plant genet ically modifiedfood? A. Yes, they need to. Because the food is not resist to pests.B.No, they don t need to, Because the food is naturally pest-resistant.C. No, they d

18、ont need to. Because the chemicals and pesticides are provided by thegovernment. 23. Which statement is not the advantage of genetically modified food?A. It may have harmful effects on human body.B. Genetically modified food grows faster than their traditionally grown counterparts.C. Farming genetic

19、ally modified food can help fight world hunger.24. What would happen to a person if he regularly consume genetically modified food?A. He would get cold.B.He would lose some weight.C. He would have cancer.25. Which title is the best for this passage?A. Can genetically modified foods combat world hung

20、er.B. Genetically modified mood: our answer is no.C. Genetically modified foods: pros and cons.26-30题：请根据短文内容判断给出的语句是否正确，正确的写“T, 错误的写“F,并将答案写在答题纸上。Passage 2 With a teeny waist, exaggerated breasts, icy-blue eyes, 21- year- old Valeria says she is the real natural deal. A real一life Barbie, that is.Th

21、at s what she claims anyway, but many people doubt to her claims. Whether she underwent plastic surgery or uses Photo shop remains unc lea工.On her blog, the model notes that she is the most famous woman on the Russian Internet because of her doll一like appeal. Hundreds of photos on her Face book page

22、 show a wide- eyed, nearly fake- looking Valeria posing in a variety of outfits. The model did not return requests for comment. If Photo shop is not a factor in getting Valeria s look, she likely underwent a barrage of plastic surgery. The president of American Society of Plastic Surgeons (ASPS) sai

23、d, plastic surgery should never be used to transform oneself into a favorite celebrity or, in this case, a play toy. He also warns patients to keep in mind that plastic su工gery is real surgery with real risks, just as with any operat ion,so the decision should not be taken lightly. . 26. Valeria thi

24、nks that she is a real-life Barbie. T27. Valeria used to accept plastic surgery. F28. Valeria writes that she is the most famous woman on the Russian Internet because sheposts a lot of pictures on her blog. F 29. The author thinks Valer ian ei ther Photo shops her, nor accepts a series of plasticsur

25、gery. F 30. The president of ASPS thinks that plastic surgery is of risks. T四、写作（共计20分）31根据要求写作文。Write a company profile according to the given information. （根据所给信息写一份公司英文简介）公司名称：蓝米公司（成立于2012年4月的一家移动互联网企业专注于高端智能手机、移动互联网产品的研发）吸纳人才，注重用户反馈2015年，其智能手机销童接近7000万部答：Lanmi was founded in April 2012bya serial

26、 entrepreneur, who believes that high -quality technology doesn t need to cost a fortune. At Lanmi, weve brought together smart people from Google , King soft, Microsoft, Motorola, Yahoo, and other Internet and tech companies from around the world to bring that vision to life Vie create remarkable h

27、ardware, software, and Internet services for - and with the help . - our Lan fans. Vie incorporate their feedback into our product range, which currentlyincludes Lan 4, Lan 3, Lan Pad, Lan Box, Lan TV, Lan lS and Lan Note, Lan Power Bank and other accessories. We sell direct to customers to keep our

28、 prices competitive. And wi th nearly 70 million handsets sold in China in 2015 and products launched in Taiwan, Hong Kong, Singapore.Malaysia, Philippines, India and Indonesia, we are ready to go global. 国家开放大学电大本科理工英语4期末试题及答案6（试卷号：1388)一、 交际用语（共计10分， 每小题2分）1-5题：选择正确的语句完成下面对话， 并将答案序号写在答题纸上。lI . -Im

29、 leaving for Shanghai tomorrow.A. Bring me a present.B. Have a pleasant trip!C. Lets go out for a drink.2. -Do you think cosmetic surgery is more popular with women?A.Yes, women are more popular than men.B. Yes, absolutely. It is because women pay more attention to beauty.C.No, men are popular than

30、women.3. 一I think the other reason can be identified from the industrialization of food production,Some illegal traders care about nothing but mak ing money. A.That bothers me too.B. I don t think its right.C. Yes, you bet.4. - So how can we buy safe food?A.The higher the price, the safer the food.B

31、. We can plant vegetables and fruits by ourselves.C. When we choose food, we must remember to check its tag, confirming whether the basicinformation is marked on it. 5. - Space travel must be very expensive. The cost of as eat on the Virgin craft is$250,000. A. That s not true.B. of course.C. Why do

32、 you think so?二、词汇与结构（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正确选项，并将答案序号写在答题纸上。6. The reason why he didnt come to school washe was ill.A. becauseB. whyC. that7. Spaceships are stocked with a variety of_foods.A. initialB. instantC. instinct8. this multimedia pro duet has some shortcomings,

33、 it has also some good points.A. WhileB. IfC. Not only9. You will get your cosmetic surgery on your nose. Please tell me if you like this medicalplan_ A. or notB.do youC. OK10. Flowers ow well i owers grow well ina warm cl imate. Similarly, technology in a harmon ious society.A. is flourishingB. wil

34、l flourishC. flourishes11. _thinking is the heart of the artistic design.A. CreativeB. StrictC. Hateful12. When we were students we often stay up all night.A. willB. wouldC. should13. Doctor, please let me know_you can reconstruct my face.A. whatB. whetherC. which14. Touch_3Dmaps help the blind too

35、much.A . respons1 veB. speakingC. li . listening15. The problem is uneven distribut ion,870 million suffering from hunger.A. leftB. to leaveC . leaving 16. _by the promise of these tiny tubes, people a工e already working to turn the Space Elevatorinto a reality. A. To fuelB. FuelingC. Fueled17. Our p

36、art of the mission is nearly complete and the new crew will_ for us.A. takeoverB. takeoutC. takeoff18. It is known to all that a lot of South K orean accepted plastic surgery.A. celebrationsB. celebratesC. celebrities19._people are no longer worried about whether their food is safe or not can they e

37、njoy a better life. A.Only if B. If onlyC. What if20. You_ the Inception, since I remember once you discussed its main plot with Cathy.A. could have watchedB. should have watchedC. must have watched三、阅读理解（共计40分，每小题2分）21-25题：阅读下列短文，从A、B、C三个选项中选出一个正确答案，并将答案序号写在答题纸上Passage 1 When computer servers opera

38、te a complex program, they can get very hot. Cooling the servers can be costly. So researchers asked what would happen if the heat created by the servers could be captured and used? Data centers of large Internet companies such as Google and Microsoft have thousands of computer servers. As these ser

39、vers process information, they create large amounts of heat,so they need huge cooling systems, These systems send the heat into the air. The Dutch company Nerdalize thinks paying for electrieity to operate the servers and then paying again to cool them is a waste of energy. So it developed a device

40、called the e-Radiator. It is a computer server that also works as a heating source. Boaz Leupe is the chief executive officer of Nerdalize, He says the e-Radiator saves money because companies don t have to pay to cool their servers. The kilowatt（千瓦） hour you are using is used twice -once to heat th

41、e home and once to compute the client s task without the cooling overhead. He says five homeowners in the Netherlands are testing the heating device in their homes. We reimburse the electricity the server uses, and that we can do because of the computer clients on the other side, and, in that way, h

42、omeowners actually get heating for free, and computer users don t have to pay for the overhead of the data center. Jan Visser is one of the participants in the yea工一long experiment. He says the amount of heat produced by the e -Rad into r depends on the work being done by the computer server. He say

43、s it can not be used as the primary source of heat. But he is ready to try it. He says if it provides enough warmth, he will be able to use his home s heating system . less, which will save him money. Nerdalize says e- Radiators create heat temperatures of up to 55C. It says the devices could save u

44、sers up to$440in heating costs a year. 21. Why did researchers ask what would happen if the heat created by the servers could becaptured and used? A. Because computers can get very hot.B. Computer servers is a complex program,C. Cooling computer servers costs a lot of money.22. The computer servers

45、in large Internet companies such as Google and Microsoft can_A. create large amounts of informat ionB. create large quantity of heatC. manage the huge cooling systems23. Nerdalize developed the e-Radiator because_A. e - Radiator cost less energyB. e-Radiator can cool the servers for freeC. e- Radiat

46、or can create cold air for free24. According to Jan Visser, the amount of heat produced by the e -RadiatorA. depends on the work being processed by PCB.can not be used as the home s heating systemC. can not be used as the main source of heat25. The best title for this passage wonld be A. The New Way

47、 to Heat HomesB. The New Way to Cool HomesC. Hot Computers Could Be Used for Free26-30题：请根据短文内容判断给出的语句是否正确，正确的写“T“，错误的写“F，并将答案写在答题纸上。Passage 2 Engineers who build and program robots have fasc inating jobs. These researchers tinker （修衣卜） with machines in the lab and write computer software to control

48、 these devices. They re the best toys out there, says Howle Choset at Carnegie Mellon University in Pittsburgh. Choset is a roboticist, a person who designs, builds or programs robots. When Chose t was akid, he was interested in anything that moved-cars, trains, aninals. He put motors on Tinkertoy c

49、ars to make them move. Later, in high school, he built mobile robots similar to small cars. Hoping to continue working on robots, he studied computer science in college. But when he got to graduate school at the Califomia Institute of Technology in Pasadena, Choset s lab mates were working on someth

50、ing even cooler than remotely controlled cars: robotic snakes. Some robots can move only forward, backward, left and right. But snakes can twist（扭曲）in many directions and travel over a lot of different types of terrain（地形）。”Snakes are far more interesting than the cars, Chose t concluded. After he s