大学英语六级考试真题汇总3.pdf
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1、2009年 6 月 大 学 英 语 六 级 考 试 真 题 及 答 案 Part I Writing(30 minutes)注 意:此 部 分 试 题 在 答 题 卡 1上 Part II Reading Comprehension(Skimming and Scanning)(15minutes)Directions:In this part,you will have 15 minutes to go over thepassage quickly and answer the questions on Answer Sheet 1 Forquestions 1-7,choose the
2、best answer from the four choices markedA),B),C)and D.For questions 8-10,complete the sentences with theinformation given in the passage.What will the world be 1 ike in fifty years?This week some top scientists,including Nobel Prize winners,gavetheir vision of how the world will look in 2056,fron ga
3、s-powered carsto extraordinary health advances,John Ingham reports on what theworld s finest minds believe our futures will be.For those of us lucky enough to live that long,2056 will be a worldof almost perpetual youth,where obesity is a remote memory and robotsbecome our companions.We will be rubb
4、ing shoulders with aliens and colonizing outer space.Better still,our descendants might at last live in a world at peacewith itself.The prediction is that we will have found a source of inexhaustible,safe,green energy,and that science will have killed off religion.If they are right we will have remo
5、ved two of the main causes of war-ourdependence on oi1 and religious prejudice.Will we really,as todayJ s scientists claim,be able to live forever or at least cheat the ageing process so that the average personlives to 150?Of course,al 1 these predictions come with a scientific healthwarning.Harvard
6、 professor Steven Pinker says:This is an invitationto look foolish,as with the predictions of domed cities andnuclear-powered vacuum cleaners that were made 50 year ago.”Living longerAnthony Atala,director of the Wake Forest Institute in NorthCarolina,belives failing organs will be repaired by injec
7、ting cellsinto the body.They will naturally to straight to the injury and helpheal 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 at the University of Chicago,anticipates the ability to produc
8、e“unlimited supplies”oftransplantable human organs without the needed a new organ,such askidney,the surgeon would contact a commercial organ producer,givehim the patient s immuno-logical profile and wou1d then be sent akidney with the correct tissue type.These organs would be entirely composed of hu
9、man cells,grown byintroducing them into animal hosts,and alloweing them to deveoop intoand organ in place of the animal s own.But Prof.Lahn believes thatfarmed brains would be“off limits”.He says:Very few people wouldwant to have their brains replaced by someone else s and we probablydon t want to p
10、ut a human brain ing an animal body.”Richard Miller,a professor at the University of Michigan,thinksscientist could develop a an thentic anti-age ing drugs“by working outhow cells in larger animals such as whales and human resist many formsof injuries.He says:It s is now routine,in laboratory mammal
11、s,to extend lifespan by about 40%.Turning on the same protective systemsin people should,by 2056,create the first class of 100-year-olds whoare as vigorous and productive as today,s people in their 60s”AliensConlin Pillinger,professor of planerary sciences at the OpenUniversity,says:v I fancy that a
12、t least we will be able to show thatlife didi start to evolve on Mars well as Earth.Within 50years hehopes scientists will prove that alien life came here in Martianmeteorites(陨 石).Chris McKay,a planetary scientist at NASA s Ames ResearchCenter,believes that in 50 years we may find evidence of alien
13、 lifein ancient permanent forst of Mars or on other planers.He adds:There is even a chance we will find alien life forms hereon Earth.It mightbe as different as English is to Chinese.Priceton professor Freeman Dyson thinks it“likely“that lifeform outer space will be discovered defore 2056 because th
14、e tools forfinding it,such as optical and radio detection and data processing,areimproving.He ays:As soon as the first evidence is found,we will know whatto look for and additional discoveries are likely to followquickly.Such discoveries are likely to have revolutionaryconsequences for biology,astro
15、nomy and philosophy.They may changethe way we look at ourselves and our place in the universe.Colonies in spaceRichard Gottprofessor of astrophysics at Princeton,hopes man willset up a self-sufficient colony on Mars,which would be a”lifeinsurance policy against whatever catastrophes,natural orotherw
16、ise,might occur on Earth.“The real space race is whether we will colonise off Earth on toother worlds before money for the space programme runs out.”Spinal injuriesEllen Heber-Katz,a professor at the Wistar Institude inPhiladelphia,foresees cures for ini juries causing paralysis such asthe one that
17、afflicated Superman star Christopher Reeve.She says:I believe that the day is not far off when we will beable to profescribe drugs that cause severes(断 裂 的)spinal cords toheal,hearts to regenerate and lost limbs to regrow.“People will come to expect that injured or diseased organs aremeant to be rep
18、aired from within,inmuch the same way that we fix anappliance or automobile:by replancing the damaged part with amanufacturer-certified new part.She predict that within 5 to 10years fingers and toes will be regrown and 1imbs will start to beregrown a few years later.Reparies to the nervous system wi
19、ll startwith optic nerves and,in time,the spinal cord.Within 50years wholebody replacement will be routine,Prof.Heber-Katz adds.ObesitySydney Brenner,senior distinguished fellow of the Crick-JacobsCenter in California,won the 2002 Noblel Prize for Medicine and saysthat if there is a global disaster
20、some humans will survive-andevolition will favour small people with bodies large enough to supportthe required amount of brain power.Obesity,“he says.will havebeen solved.”RobotsRodney Brooks,professor of robotice at MIT,says the problems ofdeveloping artificial intelligence for robots will be at le
21、ast partlyovercome.As a result,“the possibilities for robots working withpeople will open up immensely”EnergyBill Joy,green technology expert in California,says:The mostsignificant breakthrought would be to have an inexhaustible source ofsafe,green energy that is substantially cheaper than any exist
22、ingenergy source.Ideally,such a source would be safe in that it could not be madeinto weapons and would not make hazardous or toxic waste or carbondioxide,the main greenhouse gas blamed for global warming.SocietyGeoffrey Miller,evolutionary psychologist at the University ofNew Mexico,says:The US wil
23、l follow the UKin realizing that religionis nor a prerequisite(前 提)for ordinary human decency.“This,science will kill religion-not by reason challengingfaith but by offering a more practical,uniwersal and rewarding moralframeworkfor human interaction.vHe also predicts that absurdly wastefulv display
24、s of wealthwill become umfashionable while the importance of close-knitcommunities and families will become clearer.These there changer,he says,will help make usall“brigheter,wiser,happier and kinder”.注 意:此 部 分 试 题 请 在 答 题 卡 1上 作 答。1.What is john InghamJ s report about?A)A solution to the global ene
25、rgy crisisB)Extraordinary advances in technology.C)The latest developments of medical scienceD)Scientists vision of the world in halfa century2.According to Harvard professor Steven Pinker,predictions aboutthe f u t u r e.A)may invite troubleB)may not come trueC)wi11 fool the publicD)do more harm th
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