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1、北京成人英语三级英语真题及答案第 1 页：阅读理解第 3 页：词语使用方法与语法构造第 4 页：完形填空第 5 页：英汉互译第 6 页：答案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 dec
2、ide on the 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
3、 that causes 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
4、 the 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 p
5、hone 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 the h
6、uman brain is sensitive to electromagnetic radiation from cell phone exposures.”Use of the devices has increased dramatically since they were introduced in the early l980s，with about 5 billion cell phones now in use worldwide.Some studies have linked cell phone exposure to an increased risk of brain
7、 cancers.but a large study by 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 metabol
8、ism, 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 glucose metaboli
9、sm 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 understand these effect
10、s.”they wrote.1.According to the passage, which of the following is TRUE?A.Cell phone use is dangerous。B.Cell phone use causes cancer。C.The human brain is an electromagnetic field。D.There are about 5 billion cell phone users in the world right now。2.Doctor Volkow was astonished because _。A.her resea
11、rch has shed light on her understanding of cell phoneB.she found that cell phone exposure is harmful to human brainC.she found that using a cell phone for about 50 minutes could influence or change brain activityD.human brain is not responsive to electromagnetic radiation3.According to the passage,
12、cell phones were launched _。A. in the late 1970s B. between 1980 and 1985B. in the late 1980s D. in the early 1990s4. What does the word “that” stand for in the second paragraph?A.Brain activity。B. Her research findings。C.The fact that cell phone use may cause cancer。D. Her research progress。5.Which
13、 of the following is an appropriate title for this passage?A.Cell Phone Radiation: Is It Harmful?B.Cell Phone Radiati0n: Is It Useful?C.Cell Phone Radiation: Is It Healthy?D.Cell Phone Radiation: Is It Weak?Passage 2Questions 6 to 10 are based on the following passage:6. What is the main idea of thi
14、s 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 1istening to car radios since they became popular in the l930s. But there is no doubt that multitasking has reached a kind of warp speed in th
15、e era of Web-enabled computers, when it has become routine to conduct several IM(即时通讯)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 one another? Social
16、 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 workplace, many scientists are positively alarmed by the trend.Kids that are instan
17、t 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 modem childhood centers around visual(视觉旳)rather than print me
18、dia，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 growing challenge not just becaus
19、e technology offers such a handy option but because so many kids lead highly scheduled lives that leave little time for oldfashioned socializing and family meals. Indeed，many teenagers and college students say overcommitted(任务过重旳)schedules drive much of their multitasking.Just as important is for pa
20、rents and educators to teach kids that its valuable，even essential，to occasionally slow down，unplug and take time to enjoy life beyond the screen.A. How is multitasking define (定义)in the information age?B. How do people see new technology and the social change it brings about?C. How does technology
21、change modern family life?D. Whats the impact of multitasking on young people?7. The expression “warp speed” in the first paragraph is closest in meaning to_。A. Low speedB. Too much time alone。C. high speedD. steady speed8. According to some teenagers and college students ,what causes their multitas
22、king?A. Overcommitted schedulesB. Too much time aloneC. Inability to focusD. Fear of being neglected9. According to the passage, which of the following statement is TRUE?A. Humans have begun to engage in the multitasking behaviors since the information age。B. Multitasking is a critical skill that st
23、udents are required to learn at school。C. Only parents can help their kids to get rid of the multitasking habits。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 kids?A. To cut of
24、f home internet connection。B. To seek medical treatment。C. To encourage their kids to have some social life。D. to help their kids to set personal goalsPassage 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
25、a major re-examination in European countries that are already building such plants or are considering 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 hav
26、e grown more open to using more nuclear power. Enthusiasm for nuclear power is particularly strong in Eastern Europe，which wants to move away from dependence on Russian oil and natural gas，and on heavily polluting coalfired power plants. Eastern governments have begun improving existing nuclear plan
27、ts or are building or planning new ones.But as Japan struggled to deal with her nuclear crisis，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
28、power.Recently，about 40，000 people turned out to form a human chain near a nuclear plant 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 hav
29、e not been quite open about the safety levels of the nuclear power plants.”Chancellor(总理)Angela Merkel heads a center-fight 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 averag
30、e of 12 years.She will now face more pressure to change that policy.She called 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
31、 we can from the events in Japan.11.According to the passage, which of the following about Europe is TRUE?A. It is dependent on Russia for gas and oil。B. It has put an end to fossil fuels。C. It had a major nuclear accident this year。D. It is likely that they would rethink their nuclear power policie
32、s。12. According to the passage, all the following statements about Eastern Europe are true EXCEPT _A. they are eager to build new nuclear power plantsB. they have totally forgotten the Chernobyl accident 25 years agoC. they have improved their nuclear power plantsD. they want energy independence13.
33、In the second paragraph, the author mainly discusses_。A. the nuclear accidents in Japan last MarchB. nuclear power policies in GermanyC. German attitude towards nuclear powerD. the safety levels of nuclear power plants in Germany14. The word “heads” in the third paragraph can be best replaced by _ 。
34、A. leads B. tops C. minds D. arms15. Which of the following is an appropriate title for this passage?A. Japans Nuclear Crisis Causes Fear in Europe。B. The Chernobyl Disaster Helps Europe Better Understand Nuclear Power Energy。C. German Governments Supports Nuclear Power Energy。D. Germany Has Learnt
35、a Lesson From Japan。Part II Vocabulary and Structure (30%) Directions: In this part there are 30 incomplete 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.B
36、y no means to her parents.A.this is the first time has she liedB.this is the first time does she tell a lieC.is this the first time she has liedD.is this the first time she was lying17.You have failed two tests.Youd better start working harder, _you wont pass the course.A.and B.but C.or D.SO18.His c
37、hildren are wellbehaved, those of his sisters are very naughty.A.and B.so C.thus D.while19.How can you keep fit _ you smoke so much every day?A.but B.however C.if D.otherwise20.The news has spread all over the country the spaceshipsucceeded in returning to the earth.A.what B.that C.which D.whether21
38、.I didnt know your mobile phone number;otherwise l _ youthe moment I got to Washington.A.had rung B.would ring C.have rung D.would have rung22.As they are retired.Mr. and Mrs.Scott prefer a house in thecountry to their remaining years there.A.spend B.spending C.spent D.spends23. by his grandparents，
39、Jimmy wasnt used to living with hisparents.A.To bring up B.To be brought up C.Brought up D.Being brought up24.Please remain .until the plane has come to a complete stop.A.to seat B.to be seated C.seating D.seated25.While watching television, .A.the doorbell rang B.the doorbell tingsC.we heard the do
40、orbell ring D.we heard the doorbell tings26. ，the pay isnt attractive enough，though the job itself isquite interesting.A.Generally speaking B.On the contraryC.In particular D.To be honest27.The robber had escaped and was nowhere to be found when thePolice .A.arrived B.had arrivedC.arrive D.have arri
41、ved28.Professor Wilson keeps telling his students that the futureto the welleducated.A.is belonged B.is belongingC.belongs D.will be belonged29.This company is closing up, so lots of workers will be laid .A.down B.out C.off D.aside30.Just take it easy and US exactly what has happened.A.say B.speak C
42、.tell D.talk31.Some developed countries are trying to the seriousproblems resulting from the energy crisis.A.step up B.cope with C.cut off D.end up32.He is such a man who is always fault with other people.A.putting B.seekingC.finding D.looking for33.After he retired from office，Rogers painting for a
43、 while，but soon lost interest.A.took up B.saved up C.kept up D.drew up34. Fire, all exits must be kept clear.A.In place of B.Instead of C.In case of D.In spite of35.My parents will move back into town in a year or .A.1ater B.after C.so D.about36.Dogs have a very good of smell and are often used to s
44、earch for survivors in an earthquake.A.sense B.view C.means D.idea37.The house I grew up has been taken down and replaced by an office buildin9.A.in it B.in what C.in that D.in which38.Tom has already given up the of smoking for the sake of health.A.custom B.habit C.hobby D.convention39.Stephen Bull
45、on is the only man in the village today that has survived the War.A.1ive B.1ived C.alive D.active40.As she entered the room she could see big bright lights hung fromthe .A.roof B.top C.ceiling D.height41.Those experiments have laid a solid foundation for his research in material science.A.far B.deep
46、 C.farther D.further42.The weather forecast says it is going to clear soon.A.up B.out C.over D.about43.He will come to call on you the moment he his work.A.will finish B.finishes C.finished D.to finish44. such a good chance，how could she let it slip away?A.Having given B.Giving C.Having been given D
47、.Give45.Previous his departure，he addressed a letter to his daughter.A.to B.of C.in D.fromDirections：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.46.I like this house with a beautiful garden in front，but I dont have enough money to buy that. AB