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1、英语六级考试网为参加英语六级的考友提供助力 http:/2008年6月21日大学英语六级真题及答案PartWriting (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.有人认为电子图书会取代传统图书，理由是3.我的看法注意：此部分试题在答题卡1上 Part Reading Comprehension(Skimming and Scanning)(15 minutes)Directions: In this part, you will have 15 minutes to go over the
2、 passage quickly and answer the questions on Answer Sheet 1 For questions 1-7,choose the best answer from the four choices marked A),B),C)and D. For questions 8-10,complete the sentences with the information given in the passage.What will the world be like in fifty years?This week some top scientist
3、s, including Nobel Prize winners, gave their vision of how the world will look in 2056,fron gas-powered cars to extraordinary health advances, John Ingham 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
4、 perpetual youth, where obesity is a remote memory and robots become our companions.We will be rubbing shoulders with aliens and colonizing outer space. Better still, our descendants might at last live in a world at peace with itself.The prediction is that we will have found a source of inexbaustibl
5、e, safe, green energy, and that science will have killed off religion. If they are right we will have removed two of the main 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 the ageing process so that
6、the average person lives to 150?Of course, all these predictions come with a scientific health warning. Harvard professor Steven Pinker says: “This is an invitation to look foolish, as with the predictions of domed cities and nuclear-powered vacuum cleaners that were made 50 year ago.”Living longerA
7、nthony Atala, director of the Wake Forest Institute in North Carolina, belives failing organs will be repaired by injecting cells into the body. They will naturally to straight to the injury and help heal it. A system of injections without needles could also slow the ageing process by using the same
8、 process to “tune” cells.Bruce Lahn, professor of human genetics at the University of Chicago, anticipates the ability to produce“unlimited supplies” of transplantable human organs without the needed a new organ, such as kidney, the surgeon would contact a commercial organ producer, give him the pat
9、ients immuno-logical profile and would then be sent a kidney with the correct tissue type.These organs would be entirely composed of human cells, grown by introducing them into animal hosts, and alloweing them to deveoop into and organ in place of the animals own. But Prof. Lahn believes that farmed
10、 brains would be “off limits”.He says: “Very few people would want to have their brains replaced by someone elses and we probably dont want to put a human brain ing an animal body.”Richard Miller, a professor at the University of Michigan, thinks scientist could develop“an thentic anti-ageing drugs”
11、 by working out how cells in larger animals such as whales and human resist many forms of injuries. He says:“Its is now routine, in laboratory mammals, to extend lifespan by about 40%. Turning on the same protective systems in people should, by 2056, create the first class of 100-year-olds who are a
12、s vigorous and productive as todays people in their 60s”AliensConlin Pillinger ,professor of planerary sciences at the Open University,says:”I fancy that at least we will be able to show that life didi start to evolve on Mars well as Earth.”Within 50years he hopes scientists will prove that alien li
13、fe came here in Martian meteorites(陨石).Chris McKay,a planetary scientist at NASAs Ames Research Center.believes that in 50 years we may find evidence of alien life in ancient permanent forst of Mars or on other planers.He adds:”There is even a chance we will find alien life forms here on Earth.It mi
14、ghtbe as different as English is to Chinese.Priceton professor Freeman Dyson thinks it “likely” that life form outer space will be discovered defore 2056 because the tools for finding it, such as optical and radio detection and data processing,are improving.He ays:”As soon as the first evidence is f
15、ound,we will know what to look for and additional discoveries are likely to follow quickly.Such discoveries are likely to have revolutionary consequences for biology, astronomy and philosophy. They may change the way we look at ourselves and our place in the universe.Colonies in spaceRichard Gottpro
16、fessor of astrophysics at Princeton,hopes man will set up a self-sufficient colony 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 before money for the space programme runs out.”Spinal injuries
