北京成人本科学士学位英语考试真题与答案.docx

1、北京成人本科学士学位英语考试真题与答案北京成人本科学士学位英语考试真题及答案 1北京地区成人本科学士学位英语统一考试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 the b

2、est choice and blackenthe 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 yourearis enough tochange braincellactivityin the partof thebrain closest to the antenna(天线 ). But whether that causesany ha

3、rm is not clear, scientists at the National Instituteof Health saidata conferencelastmonth, addingthatthestudywillnotlikelysettleconcerns ofa linkbetween cellphonesand brain cancer.“What we showed is glucose (葡萄糖 )metabolism( 代谢 )(a sign of brain activity) increases in thebrain in people who were ex

4、posed to a cell phone in the areaclosestto the antenna, ” saidDr. Nora Volkow ofthe NIH, whosestudy was published in the Journal of the American MedicalAssociation.(76) The studywas meant to examine how thebrainreacts to electromagnetic fields caused by wireless phonesignals 。Volkow said she was sur

5、prised that the weakelectromagnetic radiation(电磁辐射 ) from cell phones couldaffect brain activity, but she said the findings do not shedany light on whether cell phones cause cancer.“This studydoes not in any way indicate that. What the study does is toshow thehumanbrainis sensitivetoelectromagneticr

6、adiationfrom cellphone exposures 。” Use ofthe deviceshas increaseddramatically 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 anincreasedriskof braincancers, but a largestudy bu theWorldHealth Organi

7、zation did not offer a clear answer to this.Volkows team studied 47 people who had their brainexaminedwhile a cell phone was turned on for 50 minutes and anotherwhile the phone was turned off. While there was no completechange in brain metabolism, they found a 7 percent increasein brain metabolism i

8、n the region closest to the cell phoneantenna when the phone was on。(77)Experts said the results were interesting, buturged thatthey be understoodwith greatcare. “ Although thebiological significance, if any, of increased glucosemetabolism from too much cell phone exposure is unknown, theresults req

9、uire further investigation,” Henry Lai of theUniversity of Washington in the U.S. and Dr. Lennart Hardellof UniversityHospitalin Sweden, wroteinan articleinJAMA.“Much has to be done to further investigate and understand these effects 。” They wrote 。1D 2C 3B 4C 5A1.Accordingto the passage, which of t

10、hefollowing is TRUE?A.Cell phone use is dangerous。B.Cell phone use causes cancer。C.The human brain is an electromagneticfield。D. There are about 5 billion cell phone users in the world right now 。2.Doctor Volkow was astonished because_。A. her research has shed light on her understanding of cell phon

11、eB. 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.were launched _According to the passage, cell phones 。A.in the late 1970sB.

12、 between1980 and 1985C.in the late 1980sD. in the early1990s4.What does theword“that”standforin the second paragraph?A.Brain activity。B.Her research findings。C.The fact that cell phone use may causecancer 。D.Her research progress。5. Which of the following is an appropriate title for this passage?A.

13、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 onthe followingpassage:Human beings have always had an ability to attend toseveral things at once. (78) Nor is ele

14、ctronic multitaskingentirely new: Weve been driving while listening to car radiossince they became popular in the 1930s. but there is no doubtthat multitasking has reached a kind of warp speed in the eraof Web-enabled computers, when it has becomeroutine to conductseveral IM( 及时通讯 )conversations, wa

15、tch TV and use thecomputer all at once 。But whats the impact of this media consumption? how are these multitasking devices changing how kids learn, reason and communicate with one another ?Social scientists educators are just beginning to deal with these questions,Andandbutthe researchers already ha

16、ve some strong opinions。(79)Although multitaskingkidsmay be betterpreparedin some ways for today s fast-paced work placed, Manyscientistsare positivelyalarmed by thetrend 。 Kidsthatareinstant messaging while doing homework, playing games onlineand watching TV, aren t going to do well in the long run

17、。On the positive side, multitasking students tend tobe extraordinarilygood at finding and usinginformation.Andprobably because modern childhood centers around visual(视觉的 )rather than print media, they are especially skilled atanalyzing visual data and images。Many educators and psychologists say pare

18、nts need toactively ensure that their teenagers break free ofuncontrollable engagement with screens and spend time in thephysicalcompany ofhumanbeings a growing challengenotjustbecause technology offers such a handy option but because somany teenagers and college students say overcommitted(任务过量的 )sc

19、hedules drives much of their multitasking。Just as importantis forparentsand educatorto teachkids thatit s valuable,even essential,tooccasionallyslowdown, unplugs and take time to enjoy life beyond the screen。6D 7C 8A 9D 10C6. What is the main idea of this passage?A. Howis multitasking define ( 定义 )i

20、n the informationage?B. How do people see new technology and the social change it brings about?C. How does technology change modern family life?D. Whats the impactof multitaskingon young people?7. The expression is closest in meaning to_“warp speed” in。the firstparagraphA. Low speedB. Too much time

21、alone 。C. high speedD. steady speed8. According to some teenagers and college students ,what causes their multitasking?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 b

22、egun to engage in the multitasking behaviors since the information age 。B. Multitaskingisa criticalskillthatstudentsarerequired to learn at school。C. Only parents can help their kids to get rid of the multitasking habits 。of todayD. multitasking may prepare students for the reality s fast-paces work

23、 environment 。10. What do educatorsand psychologistadviseparentsto do their multitasking kids?A. To cut off 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 3Questions11 to15 arebased on thefo

24、llowingpassage:The nuclearpower emergency ata Japanese atomicpowerplant last March could lead to a major re-examination inEuropean countries that are already building such plants orare considering a shift from fossil(化石 ) fuels to nuclearenergyto fight climate change. With the terrible accident 25ye

25、ars ago in Chernobyl(切尔诺贝利 ) beginning to fade inEuropean Memories, governments across Europe have grown moreopen to usingmore nuclearpower. Enthusiasm for nuclearpoweris particularly strong in Eastern Europe,which wants to moveaway from dependence on Russian oil and natural gas, and onheavily pollu

26、ting coal-fired power plants. Easterngovernments have begun improving existing nuclear plants orare building or planning new ones. But as Japan struggled todeal with her nuclear crises, discussion about the good andthe bad of nuclear power became heated。(80)In Germany, nuclear power has been a repea

27、tedlyargued and widely felt issue for decades。 Up to 70 percentof Germans oppose nuclearpower. Recently about 40,000peopleturnedoutto form a humanchainnear a nuclearplant toprotestgovernment policieson nuclearpower.“The accidentinJapancould leadtoa major rethinkinEurope, ” saidHenrikPaulitzof theInt

28、ernationalDoctorsforthe Preventionof NuclearWar.“Governments have not been quiteopen about the safetylevelsof the nuclear power plants。”Chancellor( 总理 ) Angela Merkel heads a center-rightunity government that supports the use of nuclear power. Hergovernment recentlymadea disputeddecisionto extend the lifeof the country s 17 nuclear power plants by an average of 12years.She willnow facemore pressurethechange that