大学英语六级真题试卷(2008年6月--2011年12月).pdf
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1、2008年 6 月大学英语六级A 卷真题Part I Writing(30 minutes)Will E-books Replace Traditional Books?1.随着信息技术的发展,电子图书越来越多;2.有人认为电子图书将会取代传统图书,理由是3.我的看法。Part II Reading Comprehension(Skimming and Scanning)(15 minutes)What Will the World Be Like in Fifty Years?This week some top scientists,including Nobel Prize winner
2、s,gave their vision of how theworld will look in 2056,from gas-powered cars to extraordinary health advances,JohnIngham reports on what the worlds finest minds believe our futures will be.For those of us lucky enough to live that long,2056 will be a world of almost perpetualyouth,where obesity is a
3、remote memory and robots become our companions.We will be rubbing shoulders with aliens and colonising outer space.Better still,ourdescendants might at last live in a world at peace with itself.The prediction is that we will have found a source of inexhaustible,safe,green energy,andthat science will
4、 have killed off religion.If they are right we will have removed two of themain causes of war-our dependence on oil and religious prejudice.Will we really,as todays scientists claim,be able to live for ever or at least cheat theageing process so that the average person lives to 150?Of course,all the
5、se predictions come with a scientific health warning.Harvard professorSteven Pinker says:This is an invitation to look foolish,as with the predictions of domedcities and nuclear-powered vacuum cleaners that were made 50 year ago.”Living longerAnthony Atala,director of the Wake Forest Institute in No
6、rth Carolina,believes failingorgans will be repaired by injecting cells into the body.They will naturally go straight tothe injury and help heal it.A system of injections without needles could also slow theageing process by using the same process to tune cells.Bruce Lahn,professor of human genetics
7、at the University of Chicago,anticipates theability to produce unlimited supplies of transplantable human organs without the needfor human donors.These organs would be grown in animals such as pigs.When a patientneeded a new organ,such as a kidney,the surgeon would contact a commercial organproducer
8、,give him the patients immunological profile and would then be sent a kidneywith the correct tissue type.These organs would be entirely composed of human cells,grown by introducing them intoanimal hosts,and allowing them to develop into an organ in place of the animals own.ButProf.Lahn believes that
9、 farmed brains would be“off limits”.He says:Very few peoplewould want to have their brains replaced by someone elses and we probably dont want toput a human brain in an animal body.Richard Miller,a professor at the University of Michigan,thinks scientist could developauthentic anti-ageing drugs by w
10、orking out how cells in larger animals such as whalesand human resist many forms of injuries.He says:It is now routine,in laboratorymammals,to extend lifespan by about 40%.Turning on the same protective systems inpeople should,by 2056,create the first class of 100-year-oIds who are as vigorous andpr
11、oductive as todays people in their 60s”AliensColin Pillinger,professor of planetary sciences at the Open University,says:I fancy that atleast we will be able to show that life did start to evolve on Mars well as Earth.Within50years he hopes scientists will prove that alien life came here in Martian
12、meteorites(陨石)Chris McKay,a planetary scientist at NASAs Ames Research Center,believes that in 50years we may find evidence of alien life in the ancient permanent frost of Mars or on otherplaners.He adds:There is even a chance we will find alien life forms here on Earth.It might be asdifferent as En
13、glish is to Chinese.Princeton professor Freeman Dyson thinks it“likely”that life form outer space will bediscovered before 2056 because the tools for finding it,such as optical and radio detectionand data processing,are improving.He says:As soon as the first evidence is found,we will know what to lo
14、ok for andadditional discoveries are likely to follow quickly.Such discoveries are likely to haverevolutionary consequences for biology,astronomy and philosophy.They may also changethe way we look at ourselves and our place in the universe.Colonies in spaceRichard Gott,professor of astrophysics at P
15、rinceton,hopes man will set up a self-sufficientcolony on Mars,which would be a“life insurance policy against whatever catastrophes,natural or otherwise,might occur on Earth.“The real space race is whether we will colonise off Earth on to other worlds beforemoney for the space programme runs out.”Sp
16、inal injuriesEllen Heber-Katz,a professor at the Wistar Institute in Philadelphia,foresees cures forinjuries causing paralysis such as the one that afflicted Superman star Christopher Reeve.She says:I believe that the day is not far off when we will be able to prescribe drugs thatcause severed(断裂的)s
17、pinal cords to heal,hearts to regenerate and lost limbs to regrow.v“People will come to expect that injured or diseased organs are meant to be repaired fromwithin,in much the same way that we fix an appliance or automobile:by replacing thedamaged part with a manufacturer-certified new part.She predi
18、cts that within 5 to 10years fingers and toes will be regrown and limbs will start to be regrown a few years later.Repairs to the nervous system will start with optic nerves and,in time,the spinal cord.Within 50 years whole body replacement will be routine,Prof.Heber-Katz adds.ObesitySydney Brenner,
19、senior distinguished fellow of the Crick-Jacobs Center in California,wonthe 2002 Nobel Prize for Medicine and says that if there is a global disaster some humanswill survive-and evolution will favour small people with bodies large enough to supportthe required amount of brain power.Obesity,5,he says
20、.will have been solved.RobotsRodney Brooks,professor of robotics at MIT,says the problems of developing artificialintelligence for robots will be at least partly overcome.As a result,tthe possibilities forrobots working with people will open up immenselyEnergyBill Joy,green technology expert in Cali
21、fornia,says:The most significant breakthroughwould be to have an inexhaustible source of safe,green energy that is substantially cheaperthan any existing energy source.Ideally,such a source would be safe in that it could not be made into weapons and wouldnot make hazardous or toxic waste or carbon d
22、ioxide,the main greenhouse gas blamed forglobal warming.SocietyGeoffrey Miller,evolutionary psychologist at the University of New Mexico,says:TheUS will follow the UK in realizing that religion is not a prerequisite(前提)for ordinaryhuman decency.“This,science will kill religion-not by reason challeng
23、ing faith but by offering a morepractical,universal and rewarding moral framework for human interaction.He also predicts that absurdly wasteful“displays of wealth will become unfashionablewhile the importance of close-knit communities and families will become clearer.These three changer,he says,will
24、 help make us all“brighter,wiser,happier and kinder”.1 .What is john Inghams report about?A)A solution to the global energy crisis B)Extraordinary advances intechnology.C)The latest developments of medical science D)Scientists,vision of theworld in half a century2.According to Harvard professor Stev
25、en Pinker,predictions about the f u t u r e.A)may invite trouble B)may not come true C)will fool the public D)do more harm than good3.Professor Bruce Lahn of the University of Chicago predicts t h a t.A)humans wont have to donate organs for transplantation B)more people will donatetheir organs for t
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