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1、北京成人本科学士学位英语统一考试真题及答案 2023年5月7日 北京地区成人本科学士学位英语统一考试2023年05月07日Part I Reading Comprehension (30%)Directions: There are three passages in this part. Each passage is followed by some questions or unfinished statements. For each of them there are four choices marked A, B, C and D. You should decide on th
2、e best choice and blacken the corresponding letter on the Answer Sheet。Passage 1Questions I to 5 are based on the following passage:Spending 50 minutes with a cell phone close to your ear is enough to change brain cell activity in the part of the brain closest to the antenna(天线). But whether that ca
3、uses any harm is not clear, scientists at the National Institute of Health said at a conference last month, adding that the study will not likely settle concerns of a link between cell phones and brain cancer. “What we showed is glucose (葡萄糖) metabolism(代谢)(a sign of brain activity) increases in the
4、 brain in people who were exposed to a cell phone in the area closest to the antenna,” said Dr. Nora Volkow of the NIH, whose study was published in the Journal of the American Medical Association. (76) The study was meant to examine how the brain reacts to electromagnetic fields caused by wireless
5、phone signals。Volkow said she was surprised that the weak electromagnetic radiation(电磁辐射) from cell phones could affect brain activity, but she said the findings do not shed any light on whether cell phones cause cancer. “This study does not in any way indicate that. What the study does is to show t
6、he human brain is sensitive to electromagnetic radiation from cell phone exposures。” Use of the devices has increased dramatically since they were introduced in the early 1980s, with about 5 billion cell phones now in use worldwide。Some studies have linked cell phone exposure to an increased risk of
7、 brain cancers, but a large study bu the World Health Organization did not offer a clear answer to this. Volkows team studied 47 people who had their brain examined while a cell phone was turned on for 50 minutes and another while the phone was turned off. While there was no complete change in brain
8、 metabolism, they found a 7 percent increase in brain metabolism in the region closest to the cell phone antenna when the phone was on。(77)Experts said the results were interesting, but urged that they be understood with great care. “ Although the biological significance, if any, of increased glucos
9、e metabolism from too much cell phone exposure is unknown, the results require further investigation,” Henry Lai of the University of Washington in the U.S. and Dr. Lennart Hardell of University Hospital in Sweden, wrote in an article in JAMA. “Much has to be done to further investigate and understa
10、nd these effects。” They wrote。1. According to the passage, which of the following is TRUE?D. There are about 5 billion cell phone users in the world right now。2. Doctor Volkow was astonished because _。C. she found that using a cell phone for about 50 minutes could influence or change brain activity3
11、. According to the passage, cell phones were launched _。 B. between 1980 and 19854. What does the word “that” stand for in the second paragraph?C. The fact that cell phone use may cause cancer。5. Which of the following is an appropriate title for this passage?Passage 2Questions 6 to 10 are based on
12、the following passage:Human beings have always had an ability to attend to several things at once. (78) Nor is electronic multitasking entirely new: Weve been driving while listening to car radios since they became popular in the 1930s. but there is no doubt that multitasking has reached a kind of w
13、arp speed in the era of Web-enabled computers, when it has become routine to conduct several IM(及时通讯)conversations, watch TV and use the computer all at once。But whats the impact of this media consumption? And how are these multitasking devices changing how kids learn, reason and communicate with on
14、e another ?Social scientists and educators are just beginning to deal with these questions, but the researchers already have some strong opinions。(79)Although multitasking kids may be better prepared in some ways for todays fast-paced work placed, Many scientists are positively alarmed by the trend。
15、 Kids that are instant messaging while doing homework, playing games online and watching TV, arent going to do well in the long run。On the positive side, multitasking students tend to be extraordinarily good at finding and using information. And probably because modern childhood centers around visua
16、l(视觉的)rather than print media, they are especially skilled at analyzing visual data and images。Many educators and psychologists say parents need to actively ensure that their teenagers break free of uncontrollable engagement with screens and spend time in the physical company of human beingsa growin
17、g challenge not just because technology offers such a handy option but because so many teenagers and college students say overcommitted(任务过量的)schedules drives much of their multitasking。Just as important is for parents and educator to teach kids that its valuable, even essential, to occasionally slo
18、w down, unplugs and take time to enjoy life beyond the screen。6. What is the main idea of this passage?D. Whats the impact of multitasking on young people?7. The expression “warp speed” in the first paragraph is closest in meaning to_。C. high speed8. According to some teenagers and college students
19、,what causes their multitasking?A. Overcommitted schedules9. According to the passage, which of the following statement is TRUE?D. multitasking may prepare students for the reality of todays fast-paces work environment。10. What do educators and psychologist advise parents to do their multitasking ki
20、ds?C. To encourage their kids to have some social life。Passage 3Questions 11 to 15 are based on the following passage:The nuclear power emergency at a Japanese atomic power plant last March could lead to a major re-examination in European countries that are already building such plants or are consid
21、ering a shift from fossil(化石) fuels to nuclear energy to fight climate change. With the terrible accident 25 years ago in Chernobyl(切尔诺贝利) beginning to fade in European Memories, governments across Europe have grown more open to using more nuclear power. Enthusiasm for nuclear power is particularly
22、strong in Eastern Europe, which wants to move away from dependence on Russian oil and natural gas, and on heavily polluting coal-fired power plants. Eastern governments have begun improving existing nuclear plants or are building or planning new ones. But as Japan struggled to deal with her nuclear
23、crises, discussion about the good and the bad of nuclear power became heated。(80)In Germany, nuclear power has been a repeatedly argued and widely felt issue for decades。 Up to 70 percent of Germans oppose nuclear power. Recently about 40,000 people turned out to form a human chain near a nuclear pl
24、ant to protest government policies on nuclear power. “The accident in Japan could lead to a major rethink in Europe,” said Henrik Paulitz of the International Doctors for the Prevention of Nuclear War. “Governments have not been quite open about the safety levels of the nuclear power plants。”Chancel
25、lor(总理) Angela Merkel heads a center-right unity government that supports the use of nuclear power. Her government recently made a disputed decision to extend the life of the countrys 17 nuclear power plants by an average of 12 years. She will now face more pressure the change that policy. She calle
26、d an emergency meeting with her senior ministers. “We know how safe our plants are and that we do not face a threat from such a serious earthquake or violent tidal wave,” Mrs. Merkel said after the meeting. “We will learn what we can from the events in Japan。”11. According to the passage, which of t
27、he following about Europe is TRUE?D. It is likely that they would rethink their nuclear power policies。12. According to the passage, all the following statements about Eastern Europe are true EXCEPT _ 。B. they have totally forgotten the Chernobyl accident 25 years ago13. In the second paragraph, the
28、 author mainly discusses_。C. German attitude towards nuclear power14. The word “heads” in the third paragraph can be best replaced by _ 。A. leads15. Which of the following is an appropriate title for this passage?Part II Vocabulary and Structure (30%)Directions: In this part there are 30 incomplete
29、sentences. For each sentence there are four choices marked A, B, C and D. Choose the ONE answer that best completes the sentence. Then blacken the corresponding letter on the Answer Sheet。16. By no means _to her parentsD. this is the first time she was lying17. You have failed toew tests. Youd bette
30、r start working harder, _you wont pass the course。 C. or18. His children are well-behaved, _those of his sisters are very naughty。 D. while19. How can you keep fit _you smoke so much every day?C. if20. The news has spread all over the country _ the spaceship succeeded in returning to the earth。 B. t
31、hat20. The news has spread al over the country _ the spaceship succeeded in returning to the earth。 D. whether21. I didnt know your mobile phone number; otherwise I _ you the moment I got to Washington。A. have rung22. As they are retired, Mr. and Mrs. Scott prefer a hours in the country to _ their r
32、emaining years there。 D. spends23. _ by this grandparents, jimmy wasnt used to living with his parents。 D. Being brought up 24. Please remain _until the plane has come to a complete stop。 D. seated25. While watching television,_。C. we heard the doorbell ring26. _,the pay isnt attractive enough, thou
33、gh the job itself is quite interesting。A. Generally speaking27. The robber had escaped and was nowhere to be found when the police _A. arrived28. Professor Wilson keeps telling his students that the future _ to the well-educated。C. belongs29. This company is closing up, so lots of workers will be la
34、id _。 C. off30. Just take it easy and us exactly what has happened。 C. tell31. Some developed countries are trying to the serious problems resulting from the energy crisis。 B. cope with32. He is such a man who is always fault with other people。 D. looking for33. After the retired from office, Rogers
35、 painting for a while, but soon lost interest。A. took up34. fire, all exits must be kept clear。 C. In case of35.My parents will move back into town in a year or 。C. so 36. Dogs have a very good of smell and are often used to search for survivors in an earthquake。A. sense 37. The house I grew up has
36、been taken down and replaced by an office building。 D. in which38. Tom has already given up the of smoking for the sake of health。 B. habit 39. Stephen Bullon is the only man in the village today that has survived the war。 C. alive 40. As she entered the room she could see big bright lights hung fro
37、m the 。C. ceiling 41. Those experiments have laid a solid foundation for his research in material science。D. further42. The weather forecast says it is going to clear soon。A. up43. He will come to call on you the moment he his work。 B. finishes 44. such a good chance, how could she let it slip away?
38、 C. Having been given45.Previous his departure, he addressed a letter to his。A. to Part Identification (10%)Directions:Each of the following sentences has four underlined parts marked A, B, C and D。 Identify the one that is not correct. Then blacken the corresponding letter on the Answer Sheet。46D 4
39、7D 48C 49B 50C 51C 52C 53C 54C 55B46. I like this house with a beautiful garden in front, but I dont have enough money to buy that。 D47. I Invited Joe and Linda as well as Tom to dinner, but neither of them came。 D48. You can arrive in Beijing earlier for the meeting though you dont mind taking the
40、night train。 C49. Why not stay at home since that the road is so slippery after the heavy snow? B50. Look out! Dont get too close to the house that roof is under repair。 C51. Some children want to challenge themselves by learning a language different from which their parents speak at home。C 52. But
41、for the help of my English teacher, I would not win the first prize in the English Writing Competition。 C53. Those brave army soldiers would rather die with their heads high than lived with their knees bent。 C54. No sooner had Professor Smith begun to speak when some noise arose from the audience。 C
42、55. It is no good try to remember grammatical rules. You need to practice what you have learned。BPart IV Cloze (10%)Directions: There are 20 blanks in the following passage, and for each blank there are 4 choices marked A, B, C and D at the end of the passage. You should choose ONE answer that best
43、fits into the passage. Then blacken the corresponding letter on the Answer Sheet。The mysterious tiger has been a symbol of power and strength for centuries. Its power is a 56 to hunters, 57 have tried to kill it to prove their own skill and 58 .In India 59 the nineteenth and early twentieth centurie
44、s, large parties of 60 from around the world 61 go out on huge tiger hunts. Hundreds of tigers could be killed in a few weeks. As a 62 of this over-hunting, 63 with loss of habitat(栖息地)，the population of tigers in India dropped from about 40,000 64 the turn of the twentieth century to about 2,000 by
45、 1972.With the help of India and other concerned countries, the World Wildlife Fund 65 Operation Tiger in 1972 to save the tiger 66 dying out. Since then, seventeen tiger preserves(保护区)have been 67 ,and the tiger population in India has risen to 68 4,000 and 5,000.But when people live on the 69 of the tiger preserves, tigers sometimes kill their farm animals and attack people about 600 people in India have been killed by tigers in the last dozen years. 70 tigers do not eat humans. But“old, wounded and homeless”tigers can become habitual(习惯的) man-eaters. In one area in India, villager