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1、大学英语六级阅读难点关键句140句1.Wearing a seat belt saves lives;it reduces yourchance of death or serious injury by more than half.2.But it will be the drivers responsibility to make surethat children under 14 do not ride in the front unless theyare wearing a seat belt of some kind.3.However,you do not have to w
2、ear a seat belt if youare reversing your vehicle;or you are making a localdelivery or collection using a special vehicle;or if you have avalid medical certificate which excuses you from wearing it.4.Remember you may be taken to court for not doingso,and you may be fined if you cannot prove to the co
3、urtthat you have been excused from wearing it.5.Professor Taiju Matsuzawa wanted to find out whyotherwise healthy farmers in northern Japan appeared to belosing their ability to think and reason at a relatively earlyage,and how the process of ageing could he slowed down.6.With a team of colleagues a
4、t Tokyo NationalUniversity,he set about measuring brain volumes of athousand people of different ages and varying occupations.7.Computer technology enabled the researchers toobtain precise measurements of the volume of the front andside sections of the brain,which relate to intellect（智能）andemotion,a
5、nd determine the human character.8.Contraction of front and side parts as cells die off wasobserved in some subjects in their thirties,but it was still notevident in some sixty and seventy-year-olds.9.The findings show in general terms that contractionof the brain begins sooner in people in the coun
6、try than inthe towns.10.White collar workers doing routine work ingovernment offices are,however,as likely to have shrinkingbrains as the farm worker,bus driver and shop assistant.11.We know that you have a high opinion of the kind oflearning taught in your colleges,and that the costs of livingof ou
7、r young men,while with you,would be very expensiveto you.12.But you must know that different nations havedifferent ways of looking at things,and you will thereforenot be offended if our ideas of this kind of education happennot to be the same as yours.13.We are,however,not the less obliged by your k
8、indoffer,though we refuse to accept it;and,to show ourgrateful sense of it,if the gentlemen of Virginia will send usa dozen of their sons,we will take care of their education,teach them in all we know,and make men of them.14.In what now seems like the prehistoric times ofcomputer history,the earth*s
9、 postwar era,there was quite awide-spread concern that computers would take over theworld from man one day.15.Already today,less than forty years later,ascomputers are relieving us of more and more of the routinetasks in business and in our personal lives.We are facedwith a less dramatic but also le
10、ss foreseen problem.16.Obviously,there would be no point in investing in acomputer if you had to check all its answers,but peopleshould also rely on their own internal computers and checkthe machine when they have the feeling that something hasgone wrong.17.Certainly Newton considered some theoretic
11、alaspects of it in his writings,but he was reluctant to go to seato further his work.18.For most people the sea was remote,and with theexception of early intercontinental travellers or others whoearned a living from the sea,there was little reason to askmany questions about it,let alone to ask what
12、lay beneaththe surface.19.The first time that the question“What is at thebottom of the oceans?”had to be answered with anycommercial consequence was when the laying of a telegraphcable from Europe to America was proposed.20.At the early attempts,the cable failed and when itwas taken out for repairs
13、it was found to be covered in livinggrowths,a fact which defied contemporary scientific opinionthat there was no life in the deeper parts of the sea.第一部分（1-20句译文）1、系好安全带能够挽救性命，它能将丧生和重伤的概率减少一半以上。2、但是司机有责任确保14岁以下的孩子不要坐在前排,除非他们系好了安全带。3、当然，如果有以下情况你可以不系安全带:你在倒车时，或者你用一种特殊交通工具进行当地的货物运送、收集时，或者你有合法的医学证明你不能系安
14、全带时。4、注意你如果不这么做（系安全带）的话，你有可能被告上法庭，而且你有可能被处以罚款除非你能证明你有不带安全带的理由。5、Taiju Matsuzawa教授想找出为什么日本北部的健康农民在相对年轻的年龄就显得开始失去思考与推理的能力的原因以及怎样才能延缓老化过程。6、在东京国立大学的同事们的帮助下，他开始对一千来自不同职业的人群进行了大脑体积的测量。7、计算机技术帮助研究人员获得人脑前部和侧部的准确体积，这是与人的智能和情绪有关的部分，而且也决定人的性格特点。8、有的人（大脑）前部和侧部的收缩随着细胞的死亡一一在三十多岁时就能被观察到了，但是也有些人直到六七岁依然不明显。9、研究结果表明
15、在农村的人大脑收缩基本上比城市里的人要早。10、在政府部门从事简单重复工作的白领也像农场工人、公共汽车司机和商店职员一样大脑细胞容易收缩。11、我们知道你们很看重你们在大学里面教育的学习方法，而且我们的年轻人与你们生活的花费即使对于你们来说也不便宜。12、但是你们也要明白不同的民族看待事物有不同的方法，所以如果刚好我们的看法与你们的不一样的话，你们也不应觉的被冒犯了。13、当然，对于你们的盛情我们没有被逼迫的感觉，尽管我们拒绝接受。而且，为了表示我们的感谢，如果维吉利亚洲的绅士们愿意派来一些他们的子弟的话，我们会尽全力教育他们，并把他们培养成为真正的男人。14、在这个像是计算机史前时代的时代，
16、地球的战后时代，人们普遍担忧有一天计算机会取代人类控制世界。15、今天或者不到五十年后，计算机将越来越多的减轻人们的工作事务和日常琐事。我们也将面对一个没有什么戏剧性和更不可预测的问题。16、显然，如果你不得不检查计算机提供的所有答案的话，对它投资就没有任何意义了。但是当人们觉的计算机确实出了一些问题的时候，应该靠自己内部的“计算机”来检查机器。17、当然牛顿在他的作品中写到了一些理论方面的东西，但他不愿进行更加深刻的研究。18、除了一些洲际旅行者和以大海为生的人，对于大多数人来说，大海是遥远的，没有什么必要提出太多问题，更别说思考大海海底的东西了。19、当铺设一条从欧洲到美洲的海底电报光缆的
17、时候，出于商业动机，人们第一次不得不回答这个问题“海底是什么东西”。20、在早期的尝试中，光缆铺设失败，不得不取出来维修。这时人们发现上面覆盖有生物，这推翻了当时科学界认为深海没有生命的理论。21.For every course that he follows a student is given agrade,which is recorded,and the record is available for thestudent to show to prospective employers.22.All this imposes a constant pressure and stra
18、in ofwork,but in spite of this some students still find time forgreat activity in student affairs.23.The effective work of maintaining discipline isusually performed by students who advise the academicauthorities.24.Much family quarrelling ends when husbands andwives realize what these energy cycles
19、 mean,and which cycleeach member of the family has.25.Whenever possible,do routine work in theafternoon and save tasks requiring more energy orconcentration for your sharper hours.26.We also value personal qualities and social skills,and we find that mixed-ability teaching contributes to allthese as
20、pects of learning.27.They also learn how to cope with personal problemsas well as learning how to think,to make decisions,toanalyse and evaluate,and to communicate effectively.28.The problem is,how to encourage a child to expresshimself freely and confidently in writing without holdinghim back with
21、the complexities of spelling?29.It may have been a sharp criticism of the pupilstechnical abilities in writing,but it was also a sad reflectionon the teacher who had omitted to read the essay,whichcontained some beautiful expressions of the child*s deepfeelings.30.The teacher was not wrong to draw a
22、ttention to theerrors,but if his priorities had centred on the child*s ideas,an expression of his disappointment with the presentationwould have given the pupil more motivation to seekimprovement.31.Given the nature of government and privateemployers,it seems most likely that discrimination byprivat
23、e employers would be greater.32.The release of the carbon in these compounds forrecycling depends almost entirely on the action of bothaerobic and anaerobic bacteria and certain types of fungi.33.A spirited discussion springs up between a younggirl who says that women have outgrown thejumping-on-a-c
24、hair-at-the-sight-of-a mouse era and a majorwho says that they haven*t.34.They are trying to find out whether there issomething about the way we teach language to childrenwhich in fact prevents children from learning sooner.35.Mathematicians who have tried to use thecomputers to copy the way the bra
25、in works have found thateven using the latest electronic equipment they would haveto build a computer which weighed over 10,000 kilos.36.Since different people like to do so many differentthings in their spare time,we could make a long list ofhobbies,taking in everything from collecting matchboxesan
26、d raising rare fish,to learning about the stars and makingmodel ships.37.They know that a seal swimming under the ice willkeep a breathing hole open by its warm breath,so they willwait beside the hole and kill it.38.We may be able to decide whether someone is whiteonly by seeing if they have none of
27、 the features that wouldmark them clearly as a member of another race.39.Although signs of dishonesty in school,business andgovernment seem much more numerous in years than in thepast,could it be that we are getting better at revealing suchdishonesty?40.It is not quite a matter of disagreeing with t
28、hetheory of independence,but of rejecting its implications:that the romances may be taken in any or no particularorder,that they have no cumulative effect,and that they areas separate as the works of a modern novelist.第二部分（21-40句译文）21、学 生们所学的每一门课程都有分数，而且要被记录存档，这可以用来提供给将来学生的雇主们。22、所有这些给学生们施加了很大的压力，尽管
29、如此，学生们还是积极参加学生活动O23、而有效遵守纪律的学生们往往是那些经常给校方提建议的学生。24、当丈夫们和妻子们认识到这种能量圈的意思以及各个家庭成员所处的圈之后，许多家庭争吵就结束了。25、只要可能，在下午做那些程序化的工作，把需要更多能量的工作留到你效率最好的时候去做。26、我们也很看重个人品德和社交技能，我们发现混合能力的教育对学习的各个方面都有帮助。27、他们也要学习如何处理个人问题和怎样思考，怎样决策、分析和评估以及有效沟通。28、问题是，怎样鼓励一个孩子在写作时自由自信的表达自己，而不被拼写的复杂所捆绕。29、这可能是对学生在写作中的技术能力的尖锐批评，但也是老师的失败的悲哀
30、反映一一忽略了朗读文章，这其中优美的表达可以激发孩子们的深刻感受。30、老师注重错误没错，但是如果他更注重孩子的思想的话，他失望的表现会使孩子有提高的动力。31、根据政府和私人雇主的性质来看，私人雇主更有可能采取歧视。32、这种化合物通过碳的释放来实现循环，主要依靠喜氧和厌氧细菌以及一些菌类的活动。33、一场激烈的争论在一个女孩和一位少校中展开了，前者说女人们已经不再“看到老鼠就从椅子上跳起来”了，而后者说她们依然那样。34、他们在尝试寻找是否我们教授孩子们语言的方法中有阻碍孩子们迅速学习语言的东西。35、使用计算机来拷贝大脑工作方式的数学家们发现即使使用最先进的电子设备，他们也要建造一台超过
31、10,000公斤的计算机。36、既然不同的人们在他们的业余时间做不同的事情，我们可以列出一长串爱好列表，包括从收集火柴盒到养珍稀鱼类以及学习星学和制造航模等各种消遣。37、他们知道在冰面下面游泳的海豹呼吸的热气会使冰面上出现洞口，于是他们就在洞旁守侯并捕杀海豹。38、只要一个人没有属于其他人种的明显的特征，我们就可以判断他是否属于白色人种。39、尽管在学校，企业和政府中不诚实的欺诈行为近年来比以往都要多，大那也许是因为我们在这些方面加大了揭露的力度。40、并不是与独立理论不一致，而是与其应用不相符合:爱情小说可以以任何一种形式展现或者根本没有特殊的规律，他们没有累积效果，就象现代小说家的作品一
32、样独立。41.His thesis works relatively well when applied todiscrimination against Blacks in the United States,but hisdefinition of racial prejudice as“racially-based negativeprejudgments against a group generally accepted as a racein any given region of ethnic competition,can beinterpreted as also inclu
33、ding hostility toward such ethnicgroups as the Chinese in California and the Jews in medievalEurope.42.Gutman argues convincingly that the stability of theBlack family encouraged the transmission of and so wascrucial in sustaining the Black heritage of folklore,music,and religious expression from on
34、e generation to another,aheritage that slaves were continually fashioning out of theirAfrican and American experiences.43.Even the folk knowledge in social systems on whichordinary life is based in earning,spending,organizing,marrying,taking part in political activities,fighting and soon,is not very
35、 dissimilar from the more sophisticatedimages of the social system derived from the social sciences,even though it is built upon the very imperfect samples ofpersonal experience.44.There are several steps that can be taken,of whichthe chief one is to demand of all the organizations that existwith th
36、e declared objectives of safeguarding the interests ofanimals that they should declare clearly where they stand onviolence towards people.45.It was possible to demonstrate by other methodsrefined structural differences among neuron types,however,proof was lacking that the quality of the impulse or i
37、tsconduction was influenced by these differences,whichseemed instead to influence the developmental patterning ofthe neural circuits.46.According to this theory,it is not the quality of thesensory nerve impulses that determines the diverseconscious sensations they produce,but rather the differentare
38、as of the brain into which they discharge,and there issome evidence for this view.47.The result of attrition is that,where the areas of thewhole leaves follow a normal distribution,a bimodaldistribution is produced,one peak composed mainly offragmented pieces,the other of the larger remains.48.The B
39、ible does not tell us how the Roman censustakers made out,and as regards our more immediateconcern,the reliability of present day economic forecasting,there are considerable difference of opinion.49.A survey conducted in Britain confirmed that anabnormally high percentage of patients suffering froma
40、rthritis of the spine who had been treated with X rayscontracted cancer.50.Yet across the gulf of space,minds that are to ourminds as ours are to those of the beasts that perish,intellectsvast and cool and unsympathetic,regarded this earth withenvious eyes,and slowly and surely drew their plans agai
41、nstus.51.Even the doctoral degree,long recognized as arequired“union card“in the academic world,has comeunder severe criticism as the pursuit of learning for its ownsake and the accumulation of knowledge without immediateapplication to a professors classroom duties.52.While a selection of necessary
42、details is involved inboth,the officer must remain neutral and clearly try topresent a picture of the facts,while the artist usually beginswith a preconceived message or attitude which is thentransmitted through the use of carefully selected details ofaction described in words intended to provoke as
43、sociationsand emotional reactions in the reader.53.Articles in the popular press even criticize the GrossNational Production(GNP)because it is not such a completeindex of welfare,ignoring,on the one hand,that it was neverintended to be,and suggesting,on the other,that withappropriate changes it coul
44、d be converted into one.54.Other experiments revealed slight variations in thesize,number,arrangement,and interconnection of the nervecells,but as far as psychoneuaral correlations wereconcerned,the obvious similarities of these sensory fields toeach other seemed much more remarkable than any of the
45、minute differences.55.The Chinese have distributed publications tofarmers and other rural residents instructing them in whatto watch for their animals so that every household can joinin helping to predict earthquakes.56.Supporters of the Star Wars defense system hopethat this would not only protect
46、a nation against an actualnuclear attack,but would be enough of a threat to keep anuclear war from ever happening.57.Neither would it prevent cruise missiles or bombers,whose flights are within the Earth*s atmosphere,fromhitting their targets.58.Civil rights activists have long argued that one ofthe
47、 principal reasons why Blacks,Hispanics,and otherminority groups have difficulty establishing themselves inbusiness is that they lack access to the sizable orders andsubcontracts that are generated by large companies.59.During the nineteenth century,she argues,theconcept of the“useful child who cont
48、ributed to the familyeconomy gave way gradually to the present day notion of the“useless“child who,though producing no income for,andindeed extremely costly to its parents,is yet consideredemotionally“priceless.60.Well established among segments of the middle andupper classes by the mid-1800*s,this
49、new view of childhoodspread throughout society in the late nineteenth and earlytwentieth centuries as reformers introduced child laborregulations and compulsory education laws predicted in parton the assumption that a child*s emotional value made childlabor taboo.第三部分（4L60句译文）41、对于针对美国黑人的种族歧视，他的理论相对
50、成立得较好，但是他将种族偏见如此定义:“在某一特定区域内的种族竞争中被普遍接受的一个种族所受到的基于种族的负面偏见。”可以看作也包含有对象加州的中国人以及中世纪的犹太人等少数民族的敌视。42、加特曼确凿地说明黑人家庭的稳定鼓励了黑人文化遗产的传递和维护，这些遗产包括从一代传到另一代的民间传说，音乐，和宗教表述，这些遗产使非洲和美洲的奴隶们特色显著。43、即使社会系统的民间知识中像挣钱，花费，组织，婚嫁，政治活动的参与，以及战斗等等，都与从社会科学中衍生出来更加精细的社会系统描述相差不多，尽管它是建立在一个不太完善的个人经验上的模型。44、有几项措施可以采取，其中主要的是要所有宣布以保护动物利益