大学英语四级考试练习题一参考答案2.pdf

1 大学英语四级考试练习题一答案分析Part I Writing Should College Students Hold Credit Cards?With the rapid development of the economy,credit cards have been winding their way into campus life.According to a recent survey,the number of college students who possess one or more credit cards has been increasing continually during the past five years.With credit cards,college students can buy a wide variety of goods,especially those of great and urgent needs,such as daily necessities,electronic products,stationery and books.That can help to improve the quality of students life.However,holding a credit card may also make one purchase on impulse,which may result in a heavy financial burden and even a credit crisis.As far as Im concerned,credit cards are not necessities for college students.And for those who already have a credit card,I think it is quite important to set up a concept of rational consumption.Part II Reading Comprehension(Skimming and Scanning)1.A 2.C 3.C 4.D 5.B 6.A 7.C 8.financial 9.real-life 10.renewed 1.A)。

根据第一段第二句“Most graduate programs in American universities produce a product for which there is no market and develop skills for which there is decreasing demand”可知，研究生教育所面临的主要问题是无法满足的市场需求2.C)根据第二段中“our graduate system has been in crisis for decades,and the seeds of this crisis go as far back as the formation of modern universities”可知，作者提及 Kant 是要分析问题的源头，并非批评3.C)根据第三段的第一、二句话可知，作者认为高等教育的规模化会导致人们重点关注学科的专门化4.D)根据第五段小标题后的相关内容可知，作者认为过度分割和专门化的课程设置跟不上时代，应被跨学科、跨文化的课程体系所取代5.B)根据第八段中“These constantly evolving programs would have sunset clauses,and every seven years each one should be evaluated and either abolished,continued or significantly changed.”一句可知，教育项目应该随着时代形势的变化而取消、延续或改变。

6.A)根据第十段最后一句“Through the intersection of multiple perspectives and approaches,new theoretical insights will develop and unexpected practical solutions will emerge.”可知，这样以问题为导向的项目可能会为实际问题提供意想不到的、实用的解决方案7.C)根据第十一段第二句“technology makes it possible for schools to form partnerships”和第四句“through teleconferencing and the Internet both subjects can be taught at both places with half the staff”可知，通过会议和网络等技术手段加强学校间的合作8.financial根据第十二段第三句“As financial pressures on university presses continue to mount,publication of dissertations”可知，由于经济压力的影响，传统的论文形式应该改变。

9.real-life根据第十三段倒数第二句“The exposure to new approaches and different cultures and the consideration of real-life issues will prepare students for jobs at businesses and non-profit organizations.”可知，研究生应该学会应对新方法、不同的文化和实际生活问题10.renewed根据第十四段倒数第二句“Tenure should be replaced with seven-year contracts,which,like the programs in which faculties teach,can be terminated or renewed.”可知，教师的聘任终身制将被任期制取代，可以终止也可以续签Part III Reading Comprehension(Reading in Depth)Section A 11.N 12.H 13.A 14.J 15.E 16.B 17.F 18.M 19.D 20.K 11.N)。

根据第一段第二句句意，研究者为使实验对象对两种声音都产生畏惧，在任意一种出现时，都给实验对象以电击，故用either名师资料总结-精品资料欢迎下载-名师精心整理-第 1 页，共 3 页 -2 12.H)根据下文第二段第二句“the rats that had been given the memory-blocking drug weren t afraid of the beep”可知，研究者使用了干扰记忆的药物，interfered:干扰13.A)根据上文第一段“LeDouxs team first taught them to fear both a beep and a siren”可知是让实验对象害怕声音，fearful:感到害怕的;dreadful:令人生畏的14.J)under the influence of表示“在影响下”,influence:影响15.E)根据第三段首句句意，此处讨论U0126 对记忆的干扰方式，由“but it may block the synthesis.”可知研究者对U0126 影响记忆的确切情况并不清楚，exactly:确切地16.B)根据本空之后“between neurons”所需的搭配关系可知此处需选connections：联系。

17.F)根据第三段第二句句意，记忆的去除发生在其经过升级、稳固并转为长期记忆期间stabilized:稳定18.M)依据上句含义，记忆的去除需发生在其被提取期间，可推知只有激活的记忆才有可能被去除activated:激活19.D)第四段介绍去除创伤记忆的药物研究第二句提到的药物会阻止大脑中记忆的弥合，cement:接合；弥合20.K)根据第四段最后一句，研究者介绍了本研究发展的方向和可能性，potential:潜在可能Section B 21.D 22.A 23.D 24.B 25.C 26.B 27.A 28.C 29.D 30.B Passage One 21.D)根据第一段最后一句“it promises to shed light on the biological pathways involved in human ageing.”可知，此项研究是一项与人类衰老有关的生物工程22.A)根据第二段中“it is unlikely to be a practical option.The diets involved are so minimal that they would be very difficult for people to maintain”可知，以往的研究在实用性方面的局限在于，它要求人们只摄入最少量的食物，人们很难坚持。

23.D)根据第四段对研究方法的介绍可知，研究者是通过对比不同的饮食配方对果蝇的影响而得出研究结果24.B)根据第五段首句“an amino acid called methionine had a particularly significant effect”及后文“By carefully manipulating the balance of amino acids in the diet,we have been able to maximise both lifespan and fertility.”可知，methionine 对延长寿命有重要作用，通过调节控制其含量的方式可达到延寿的功效25.C)根据全文大意可知，本文介绍了与益寿延年有关的新研究方向，全面讲述了它的研究结果、研究方法和未来方向，并提到了它对于以往研究的全新突破Passage Two 26.B)根据第一段中“that it hopes will lure top students into teaching and transform teacher education in the United States.”可知，the Woodrow Wilson program的一项主要目的是将优秀学生引入教育行业。

27.A)根据第三段最后一句“Applications will be available next year for enrollment in fall.”可知，此项目次年开始接受申请28.C)第四段划线短语后面的内容讲述了参与the Woodrow Wilson program 的大学改造其教育项目的具体方式,故 along certain lines表示“按照一定的方式”29.D)根据第四段中“greater collaboration between education colleges and primary and secondary schools”一句可知，参与项目的学校要致力于加强其教育学院与中小学的联系30.B)根据最后一段“It is not a sure thing”及“But every dean of an education school in the country is hoping that this is successful.”可知，虽然该项目最终是否能成功尚不明确，但教育学院院长们都很期待它能成功，故选择promising 最为贴切。