國家開放大學(xué)電大本科《理工英語4》期末試題及答案(b試卷號(hào):1388)
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1、國家開放大學(xué)電大本科《理工英語4》期末試題及答案2 (試卷號(hào):1388) 一、 交際用語(共計(jì)10分,每小題2分) 1-5題:選擇正確的語句完成下面對(duì)話,并將答案序號(hào)寫在答題紙上。 1. 一1 wonder if 1 could use your tablet tonight?_r m not using it right now. A. It doesn" t matter. B. No, thank you. C. Sure, here you are. 2. _Can you tell me something about your new product? A. Wha
2、t do you do, sir? B. What do you want to buy? C. Can I help you, sir? 3. —You know a good schedule brings efficiency to the work. A. Not at all. I enjoyed it. B. I see your point. C. I think it' s a bad idea. 4. 一 Thank you so much for the Apple Watch you sent me. A. No thanks. B. r m glad
3、you like it. C. Please don't say so. 5. —Do you prefer a portable oraclumsy3D printer? A. No, a portable 3D printer is more useful. B. Yes, I would not have a clumsy one. C. I prefer a portable one to a clumsy one. 二、 詞匯與結(jié)構(gòu)(共計(jì)30分,每小題2分) 6-20題:閱讀下面的句子,從A、B、C三個(gè)選項(xiàng)中選出一個(gè)能填入空白處的正確選項(xiàng),并將答案序號(hào) 寫在答題紙上。
4、 6. You_the Inception, since I remember once you discussed its main plot with Cathy. A. could have watched B. should have watched C. must have watched 7. When we were students we_often stay up all night. A. will B. would C. should 8. Someone invented the 3D printer many years ago, _1 don't r
5、emember who. A. so B. But C. only 9. They are trying to make a new product—the world,s smallest_robot> A. hammer B. Humane C. humanoid 10. The scientist spoke confidently, —impressed me most. A. that B. so that C. which IL The Cheetah robot made by MIT's scientists can jump over hurdles
6、while_ A. it running B. Running C. be ran 12. What's_issue here is the difference between cosmetic and plastic surgery. A. at B. on C. in 13. Although plastic surgery is created to improve the looks of a person, there area certainpercentage of A. effect B. results C. consequences 14. —th
7、e new law is used one day, 1 hope it will not punish people using 3D printersfor personal purposes. A. When B. Why C. If 15.She,s been interested in computer science_she was eight. A. before Be since C. while 16. He is still ain handling such things. A. green hand B. visitor C. adult 17.
8、 Between 1975 and 1996, the number of overseas visitors expanded_27% on averageeach year. A. in B. by C. for 18.So little_about chemistry that the lecture was completely beyond me. A. did I know B. I knew C. do I know 19. Had 1 known the result, l_you to tell me. A. would not ask B. would
9、not have asked C. had not asked 20. 50 miles southwest of the country_the famous beautiful mountain. A. laying B. lie C. lies 三、閱讀理解(共計(jì)40分,每小題2分) 21-25題:閱讀下列短文,從A、B、C三個(gè)選項(xiàng)中選出一個(gè)正確答案,并將答案序號(hào)寫在答題紙上。 Passage 1 According to experts, the advantage of modified food is that it helps in preventing the
10、occurrence of allergies and also has along shelf life. However, a major portion of the populationis against the consumption of genetically modified food and is concerned about i t sd i sad van t age s. If you are also confused about the consumption of genetically modified food, read through the pros
11、 and cons given below and decide for yourself. Advantages of Genetically Modified Foods One of the most prominent advantages of genetically modified food is that it helps incontrolling the occurrence of certain diseases. Certain foods cause allergy to people.Theirgenetic modification alters the DN
12、A system of these foods, thereby making them non-allergic. Another major advantage of such type of foods is that they grow faster than theirtraditional 1 y grown counterparts. As a result, there is greater productivity and more food. A person need not bother about any additional costs, such as buyi
13、ng chemicals andpesticides, when it comes to genetically engineered food. The food is naturally pest-resistant. ? Farming these foods can be a great way to fight world hunger. Since these crops grow fasteror more effectively, increased production would help countries wherein crops may not normallypr
14、osper because of less than desirable environmental conditions. The increased shelf life of these food products helps in reducing the quantity of rottenfood. Disadvantages of Genetically Modified Foods The biggest disadvantage of genetically modified food is that they have harmful effectson the hu
15、man body. The consumption of these genetically engineered foods can lead to development of diseases that are immune to antibiotics. 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 ha
16、zardsuch as allergens, transfer of antibiotic resistance markers and unknown effects. Since the production of engineered food involves infusing animal genes in the crops andtampering with nature> it might not be good for consumption in the long run. 2L How does genetically modified food control th
17、e occurrence of certain diseases? A. By cross-pollinating. B. By conventional crossbreeding. C. By altering the DNA system of these foods. 22. Do farmers need to buy any chemicals and pesticides if they plant genetically modified food? A. Yes, they need to. Because the food is not resist to pes
18、ts. B. No, they don't need to. Because the food is naturally pest-resistant. C. No, they don't need to. Because the chemicals and pesticides are provided by the government. 23- Which statement is not the advantage of genetically modified food? A. It may have harmful effects on human body. B. Ge
19、netically modified food grows faster than their traditionally grown counterparts. C. Farming genetically modified food can help fight world hunger. 24. What would happen to a person if he regularly consume genetically modified food? A. He wouldget cold. B. He would lose some weight. C. He would
20、 have cancer. 25. Which of the following would be the best title for this passage? A. Can Genetically Modified Foods Combat World Hunger? B. Genetically Modified Mood: Our Answer Is No. C. Genetically Modified Foods: Pros And Cons 26-30題:請(qǐng)根據(jù)短文內(nèi)容判斷給出的語句是否正確,正確的寫“T”,錯(cuò)誤的寫“F”,并將答案寫在 答題紙上。 Passage
21、2 Engineers who build and program robots have fascinating jobs> These researchers tinker(修 補(bǔ))with machines in the lab and write computer software to control these devices. "They'rethe best toys out there,” says Howie Choset at Carnegie Mellon University in Pittsburgh. Choset is a roboticist, a pers
22、on who designs, builds or programs robots. When Choset was a kid, he was interested in anything that moved-cars, trains, animals. Heput motors on Tinkertoy cars to make them move. Later, in high school, he built mobile robotssimilar to small cars. Hoping to continue working on robots, he studied c
23、omputer science in college. But whenhe got to graduate school at the California Institute of Technology in Pasadena, Choset' slab mates were working on something even cooler than remotely controlled cars : robotic snakes. Some robots can move only forward, backward, left and right. But snakes can tw
24、ist (扭曲)in many directions and travel over a lot of different types of terrain(地形)."Snakesare far more interesting than the cars,” Chose t concluded. After he started working at Carnegie Mellon, Chose t and his colleagues there begandeveloping their own snake robots. Choset,steam programmed robots
25、to perform the samemovements as real snakes, such as sliding and inching forward. The robots also moved in waysthat snakes usually don't, such as rolling. Choset's snake robots could crawl (爬行)through the grass, swim in a pond and even climba flagpole. But Choset wondered if his snakes might be us
26、eful for medicine as well- For some heartsurgeries, the doctor has to open a patient's chest, cutting through the breastbone. Recoveringfrom these surgeries can be very painful What if the doctor could perform the operation byinstead making a small hole in the body and sending in a thin robotic snak
27、e? Choset teamed up with Marco lenati , a heart surgeon now at Harvard Medical School, toinvestigate the idea. Zenati practiced using the robot on a plastic model of the chest and theytested the robot in pigs. A company called Med robotics in Boston is now adapting the technology to surgeries onpe
28、ople. Even after 15 years of working with his team" s creations, "I still don't get bored ofwatching the motion of my robots,” Chose t says. 26. Chose t began to build robots in high school. T 27. Snake robots could move in only four directions. F 28. Chose t didn't begin developing his own snak
29、e robots until he started working at CarnegieMellon. T 29. Zenati tested the robot on people after using it in pigs.F 30. The robotic technology for surgeries on people has brought a handsome profit to Med robotics.F 四、寫作(共計(jì)20分)31 .根據(jù)要求寫作文。 根據(jù)提示信息寫調(diào)查報(bào)告, The chart below illustrates reading prefe
30、rence based on a survey of 200 college studentsin2016in China. Write a survey report based on the given information, Your report shouldinclude: (1) The subjects and respondents of the investigation. (2) Analysis of investigation result. (3) Your opinion or suggestions about college students' read
31、ing, Words for reference: 娛樂類書 iff books for entertainment 應(yīng)用技術(shù) applied technology 專業(yè)用書 books relevant to their majors:professional books 科普讀物 popular science books 答:Recently we have conducted a survey among 200 college students to find out their readingpreference. As can be seen in the
32、 pie chart, 27% of the surveyed said they spent most of theirtime reading magazines and books for entertainment. What ranks the second are books of literatureand applied technology, and they each account for 25%> The percentage decreases to 15% as tostudents who prefer to read books relevant to thei
33、r majors, while only 8%tend to read popularsci ence books during their spare time. It should be noted that books of literature^ applied technology, and entertaining bookslike magazines are main interests of college students. That' s because these kinds of booksare fun and easy to read; what' s more
34、, they bring students some cutting-edge informationregarding books of applied technology. The percentage of students who like to read professionalbooks is relatively lower maybe due to the reason that these books are hard to understand andtime-consuming. To sum up, the data reveals a serious proble
35、m that college students, reading preferencestays at a relatively shallow level since the percentage of reading magazines exceeds thatof literature and professional books. We thus suggest that colorful reading activities 1 ikerecommending great books be carried out to help students develop capabilities of appreciationand criticism.
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