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1、2011年6月大学英语四级真题Questions47to56arebasedonthefollowingpassage.Thepopularnotionthatolderpeopleneedlesssleepthanyoungeradultsisamyth,scientistssaidyesterday.Whileelderlypeople__47__tosleepforfewerhoursthantheydidwhentheywereyounger,thishasa(n)__48__effectontheirbrain'sperformanc
2、eandtheywouldbenefitfromgettingmore,accordingtoresearch.SeanDrummond,a.psychiatrist(心理医生)attheUniversityofCalifornia,SanDiego,saidolderpeoplearemorelikelytosufferfrombrokensleep,whileyoungerpeoplearebetteratsleeping__49__straightthroughthenight.Moresleepinoldage,however,is__
3、50__withbetterhealth,andmostolderpeoplewouldfeelbetterandmore__51__iftheysleptforlongerperiods,hesaid.“Theabilitytosleepinonechunk(整块时间)overnightgoesdownasweagebuttheamountofsleepweneedto__52__welldoesnotchange,”DrDrummondtoldtheAmericanAssociationfortheAdvancementofSciencec
4、onferenceinSanDiego.“It's__53__amyththatolderpeopleneedlesssleep.Themorehealthyanolderadultis,themoretheysleepliketheydidwhentheywere__54__.Ourdatasuggeststhatolderadultswouldbenefitfrom__55__togetasmuchsleepastheydidintheir30s.That's__56__frompersontoperson,buttheamountofsl
5、eepwehadat35isprobablythesameamountasweneedat75.”注意：此部分试题请在答题卡2上作答。A)alertI)formallyB)associatedJ)functionC)attractingK)mixedD)clingL)negativeE)continuingM)sufficientF)definitelyN)tendG)differentO)younger答案PartIVReadingComprehension(Readingindepth)47Ntend48Lnegative49Heffici
6、ently50Bassociated51Aalert52Jfunction/53Fdefinitely54Oyounger55Econtinuing56Gdifferent文章大意：本文主要讲述的是关于老年人睡眠的问题：是否老年人与年轻人相比只需要较少的睡眠时间？2010年12月英语四级考试真题Questions47to56arebasedonthefollowingpassage.Whatdeterminesthekindofpersonyouare?Whatfactorsmakeyoumoreorlessbold,intelligent,o
7、rabletoreadamap?Alloftheseareinfluencedbytheinteractionofyourgenesandtheenvironmentinwhichyouwere47.Thestudyofhowgenesandenvironmentinteracttoinfluence48activityisknownasbehavioralgenetics.Behavioralgeneticshasmadeimportant49tothebiologicalrevolution,providinginformationabou
8、ttheextenttowhichbiologyinfluencesmind,brainandbehavior.Anyresearchthatsugg
