07-11歷年大學(xué)英語六級真題及答案(完整版)(免費下載)

07-11歷年大學(xué)英語六級真題及答案(完整版)(免費下載)LtDPAGEPAGE42007年12月英語六級閱讀真題62.C63.A64.C65.B66.D67.A68.D69.B70.A71.D72.B73.C74.A75.D76.C77.A78.C79.D80.B81.APartVITranslation83.notingcanbemorehelpfulthanasenseofhumor84.butherefusedtogivefurtherexplanationfordoingso85.whileanimalbehaviordependsmainlyoninstinct86.shouldhelie/tellliestothecourt2007年12月英語六級閱讀真題PartVCloze(15minutes)In1915EinsteinmadeatriptoGattingentogivesomelecturesattheinvitationofthemathematicalphysicistDavidHilbert.Hewasparticularlyeager—tooeager,itwouldturn62--toexplainalltheintricaciesofrelativitytohim.Thevisitwasatriumph,andhesaidtoafriendexcitedly.“Iwasableto63Hilbertofthegeneraltheoryofrelativity.”64allofEinstein’spersonalturmoil(焦躁)atthetime,anewscientificanxietywasaboutto65.Hewasstrugglingtofindtherightequationsthatwould66hisnewconceptofgravity,67thatwoulddefinehowobjectsmove68spaceandhowspaceiscurvedbyobjects.Bytheendofthesummer,he69themathematicalapproachhehadbeen70foralmostthreeyearswasflawed.Andnowtherewasa71pressure.Einsteindiscoveredtohis72thatHilberthadtakenwhathehadlecturesandwasracingtocomeup73thecorrectequationsfirst.Itwasanenormouslycomplextask.AlthoughEinsteinwasthebetterphysicist.Hilbertwasthebettermathematician.SoinOctober1915Einstein74himselfintoamonth-long-franticendeavorin75hereturnedtoanearliermathematicalstrategyandwrestledwithequations,proofs,correctionsandupdatesthathe76togiveaslecturestoBerlin’sPrussianAcademyofSciencesonfour77Thursdays.HisfirstlecturewasdeliveredonNov.4.1915,anditexplainedhisnewapproach,78headmittedhedidnotyethavetheprecisemathematicalformulationofit.Einsteinalsotooktimeofffrom79revisinghisequationstoengageinanawkwardfandango(方丹戈雙人舞)withhiscompetitorHilbert.Worried80beingscooped(搶先),hesentHilbertacopyofhisNov.4lecture.“Iam81toknowwhetheryouwilltakekindlytothisnewsolution,”Einsteinnotedwithatouchofdefensiveness.62.A)upB)overC)outD)off63.A)convinceB)counselC)persuadeD)preach64.A)AboveB)AroundC)AmidD)Along65.A)emitB)emergeC)submitD)submerge66.A)imitateB)igniteC)describeD)ascribe67.A)onesB)thoseC)allD)none68.A)intoB)beyondC)amongD)through69.A)resolvedB)realizedC)acceptedD)assured70.A)pursuingB)protectingC)contestingD)PassageTwoInthecollege-admissionswars,weparentsarethetruefights.Wearepushingourkidstogetgoodgrades,takeSATpreparatorycoursesandbuildresumessotheycangetintothecollegeofourfirstchoice.I’vetwicebeentothewars,andasIsurveythebattlefield,somethingdifferentishappening.Weseeourkids’collegebackgroundaseprizedemonstratinghowwellwe’veraisedthem.Butwecan’tacknowledgethatourobsession(癡迷)ismoreaboutusthanthem.Sowe’vecontrivedvariousjustificationsthatturnouttobehalf-truths,prejudicesormyths.Itactuallydoesn’tmattermuchwhetherAaronandNicolegotoStanford.Wehaveafull-blownprestigepanic;weworrythattherewon’tbeenoughprizestogoaround.Fearfulparentsurgetheirchildrentoapplytomoreschoolsthanever.Underlyingthehysteria(歇斯底里)isthebeliefthatscarceelitedegreesmustbehighlyvaluable.Theirgraduatesmustenjoymoresuccessbecausetheygetabettereducationanddevelopbettercontacts.Allthatisplausible——andmostlywrong.Wehaven’tfoundanyconvincingevidencethatselectivityorprestigematters.Selectiveschoolsdon’tsystematicallyemploybetterinstructionalapproachesthanlessselectiveschools.Ontwomeasures——professors’feedbackandthenumberofessayexams——selectiveschoolsdoslightlyworse.Bysomestudies,selectiveschoolsdoenhancetheirgraduates’lifetimeearnings.Thegainisreckonedat2-4%forevery100-poinntincreaseinaschool’saverageSATscores.Buteventhisadvantageisprobablyastatisticalfluke(偶然).Awell-knownstudyexaminedstudentswhogotintohighlyselectiveschoolsandthenwentelsewhere.Theyearnedjustasmuchasgraduatesfromhigher-statusschools.Kidscountmorethantheircolleges.Gettingintoyalemaysignifyintellgence,talentandAmbition.Butit’snottheonlyindicatorand,paradoxically,itssignificanceisdeclining.Thereason:somanysimilarpeoplegoelsewhere.Gettingintocollegeisnotlifeonlycompetiton.Old-boynetworksarebreakingdown.princetoneconomistAlanKruegerstudiedadmissionstoonetopPh.D.program.HighscoresontheGREhelpdexplainwhogotin;degreesofprestigiousuniversitiesdidn’t.So,parents,lightenup.thestakeshavebeenvastlyexaggerated.uptoapoint,wecanrationalizeourpushiness.Americaisacompetitivesociety;ourkidsneedtoadjusttothat.buttoomuchpushinesscanbedestructive.theveryambitionweimposeonourchildrenmaygetsomeintoHarvardbutmayalsosetthemupfordisappointment.onestudyfoundthat,otherthingsbeingequal,graduatesofhighlyselectiveschoolsexperiencedmorejobdissatisfaction.Theymayhavebeensoconditionedtodeingontopthatanythinglessdisappoints.57.Whydosetheauthorsaythatparengsarethetruefightersinthecollege-admissionswars?A.Theyhavethefinalsayinwhichuniversitytheirchildrenaretoattend.B.Theyknowbestwhichuniversitiesaremostsuitablefortheirchildren.C.theyhavetocarryoutintensivesurveysofcollegesbeforechildrenmakeanapplication.D.theycaremoreaboutwhichcollegetheirchildrengotothanthechildrenthemselves.58.Whydoparentsurgetheirchildrentoapplytomoreschoolthanever?A.theywanttoincreasetheirchildrenchancesofenteringaprestigiouscollege.B.theyhopetheirchildrencanenterauniversitythatoffersattractivescholarships.C.Theirchildreneillhavehaveawiderchoiceofwhichcollegetogoto.D.Eliteuniversitiesnowenrollfewersyudentthantheyusedto.59.Whatdoestheauthormeanbykidscountmorethantheircollege(Line1,para.4?A.Continuingeducationismoreimportanttoapersonsuccess.B.Apersonhappinessshouldbevaluedmorethantheireducation.C.Kidsactualabilitiesaremoreimportangthantheircollegebackground.D.Whatkidslearnatcollegecannotkeepupwithjobmarketrequirements.60.WhatdoesKruegerstudytellus?A.GETtingintoPgramsmaybemorecompetitivethangettingintocollege.B.Degreesofprestigiousuniversitiesdonotguaranteeentrytograduateprograms.C.GraduatesfromprestigiousuniversitiesdonotcaremuchabouttheirGREscores.D.Connectionsbuiltinprestigiousuniversitiesmaybesustainedlongaftergraduation.61.Onepossibleresultofpushingchildrenintoeliteuniversitiesisthat______A.theyearnlessthantheirpeersfromotherinstitutionsB.theyturnouttobelesscompetitiveinthejobmarketC.theyexperiencemorejobdissatisfactionaftergraduationD.theyoveremphasizetheirqualificationsinjobapplicationPartVClozeDirections:thereare20blanksinthefollowingpassage.ForeachblanktherearefourchoicesmarkedA),B),C),andD)ontherightsideofthepaper.YoushouldchoosetheONEthatbestfitsintothepassage.ThenmarkthecorrespondingletteronAnswerSheet2withasinglelinethroughthecentre.Sevenyearsago,whenIwasvisitingGermany,IMetwithanofficialwhoexplainedtomethatthecountryhadaperfectsolutiontoitseconomicproblems.WatchingtheU.S.economy___62___duringthe‘90s,theGermanshaddecidedthatthey,too,neededtogothehigh-technology___63___.Buthow?Inthelate‘90s,theanswerschemedobvious.Indians.___64___all,IndianentrepreneursaccountedforoneofeverythreeSiliconValleystart-ups.SotheGermangovernmentdecidedthatitwould___65___IndianstoTermanyjustasAmericadoesby___66___greencards.OfficialscreatedsomethingcalledtheGermanGreenCardand___67___thattheywouldissue20,000inthefirstyear.___68___,theGermansexpectedthattensofthousandsmoreIndianswouldsoonbebeggingtocome,andperhapsthe___69___wouldhavetobeincreased.Buttheprogramwasafailure.Ayearlater___70___halfofthe20,000cardshadbeenissued.Afterafewextensions,theprogramwas___71___.ItoldtheGermanofficialatthetimethatIwassurethe___72___wouldfail.It’snotthatIhadanyparticularexpertiseinimmigrationpolicy,___73___Iunderstoodsomethingaboutgreencards,becauseIhadone(theAmerican___74___).TheGermanGreenCardwasmismand,Iargued,__75__itnever,underanycircumtances,translatedintoGermancitizenship.TheU.S.greencard,bycontrast,isanalmost__76__pathtobecomingAmerican(afterfiveyearsandacleanrecord).Theofficial__77__myobjection,sayingthattherewasnowayGermanywasgoingtoofferthesepeoplecitizenship.”weneedyoungtachworkers,”hesaid.”that’swhatthispro-gramisall__78__.”soGermanywasaskingbrightyoung__79__toleavetheircountry,cultureandfamilies,movethousandsofmilesaway,learnanewlanguageandworkinastrangeland—butwithoutany__80__ofeverbeingpartoftheirnewhome.Germanywassengingasignal,onethatwas___81___receivedinIndiaandothercountries,andalsobyGermany’sownimmigrantcommunity.62.A)soarC)amplifyB)hoverD)intensify63.A)circuitC)traitB)strategyD)route64.A)OfC)InB)AfterD)At65.A)importC)conveyB)kidnapD)lure66.A)offeringC)evacuatingB)installingD)formulating67.A)conferredC)announcedB)inferredD)verified68.A)SpeciallyC)ParticularlyB)NaturallyD)Consistently69.A)quotasC)measuresB)digitsD)scales70.A)invariablyC)barelyB)literallyD)solely71.A)repelledC)combatedB)deletedD)abolished72.A)adventureC)initiativeB)responseD)impulse73.A)andC)soB)butD)or74.A)heritageC)notionB)revisionD)version75A)becauseB)unlessC)ifD)while76A)aggressiveB)automaticC)vulnerableD)voluntary77A)overtookB)fascinatedC)submittedD)dismissed78A)towardsB)roundC)aboutD)over79A)dwellersB)citizensC)professionalsD)amateurs80A)prospectB)suspicionC)outcomeD)destination81A)partiallyB)clearlyC)brightlyD)vividly82.Wecansayalotofthingsaboutthosewhohavespenttheirwholelivesonpoems(畢生致力于詩歌的人):theyarepassionate,impulsive,andunique.83.Marycouldn’thavereceivedmyletter,orsheshouldhaverepliedtomelastweek(否則她上周就該回信了).84.Nancyissupposedtohavefinishedherchemistryexperiments(做完化學(xué)實驗)atleasttwoweeksago.85.Neveroncehastheoldcouplequarreledwitheachother(老兩口互相爭吵)sincetheyweremarried40yearsago.86.Theprosperityofanationislargelydependentupon(一個國家未來的繁榮在很大程度上有賴于)thequalityofeducationofitspeople2008年6月英語六級A卷完整答案47.causingareaction48.anemotionaldebate49.Theapprovalofeveryvictim’sfamily50.exploitinganationaltragedy51.raiseawareness52.B)Theircurrencyhasslumped.53.C)Theyhavetospendmoremoneywhenbuyingimportedgoods.54.D)Theythinkofitasagoodtouristdestination.55.C)Theyvacationathomeratherthanabroad.56.A)Thedollar’svaluewillnotincreaseintheshortterm.57.D)Theycaremoreaboutwhichcollegetheirchildrengotothanthechildrenthemselves.58.A)Theywanttoincreasetheirchildren’schancesofenteringaprestigiouscollege.59.C)Kid’sactualabilitiesaremoreimportantthantheircollegebackgrounds.60.B)Degreesofprestigiousuniversitiesdonotguaranteeentrytograduateprograms.61.C)theyexperiencemorejobdissatisfactionaftergraduationPart5Cloze62.A)soar63.D)route64.A)Of65.A)import66.A)offering67.C)announced68.D)Consistently69.A)quotas70.C)barely71.D)abolished72.C)initiative73.B)but74.D)version75.A)because76.B)automatic77.D)dismissed78.C)about79.C)professionals80.A)prospect81.B)clearlyPart6Translation82.Wecansayalotofthingsaboutthosewhoaredevotedtopoemsintheirwholelives(畢生致力于詩歌的人):theyarepassionate,impulsiveandunique.83.Marycouldn’thavereceivedmyletter,orsheshouldhavemadeareplylastweek.(否則她上周就該回信了).84.Nancyissupposedtohavefinishedherchemistryexperiment(做完化學(xué)實驗)atleasttwoweeksago.85.Neveroncehastheoldcouplequarreledwitheachother(老兩口相互爭吵)sincetheyweremarried40yearsago.86.Theprosperityofanationdependslargelyon(一個國家未來的繁榮在很大程度上有賴于)thequalityofeducation.2009年12月大學(xué)英語六級考試真題及答案PassageOneQuestions52to56arebasedonthefollowingpassage.Thereisnothinglikethesuggestionofacancerrisktoscareaparent,especiallyoneoftheover-educated,eco-conscioustype.SoyoucanimaginethereactionwhenarecentUSATodayinvestigationofairqualityaroundthenation’sschoolssingledoutthoseinthesmugly（自鳴得意的）greenvillageofBerkeley,Calif.,asbeingamongtheworstinthecountry.Thecity’spublichighschool,aswellasanumberofdaycarecenters,preschools,elementaryandmiddleschools,fellinthelowest10%.Industrialpollutioninourtownhadsupposedlyturnedstudentsintolivingscienceexperimentsbreathinginalaboratory’sworthofheavymetalslikemanganese,chromiumandnickeleachday.Thisinacitythatrequiresschoolcafeteriastoserveorganicmeals.Great,Ithought,organiclunch,toxiccampus.SinceDecember,whenthereportcameout,themayor,neighborhoodactivists（活躍分子）andvariousparent-teacherassociationshaveengagedinafiercebattleoveritsvalidity:overtheguiltofthesteel-castingfactoryonthewesternedgeoftown,overunionjobsversuschildren’shealthandoverwhat,ifanything,oughttobedone.Withallsidespresentingtheirownexpertsarmedwithconflictingscientificstudies,whomshouldparentsbelieve?Istheretrulyathreathere,weaskedoneanotheraswedroppedoffourkids,andifso,howgreatisit?Andhowdoesitcomparewiththeother,seeminglyperpetualhealthscaresweconfront,likepanicoverleadinsyntheticathleticfields?Ratherthanjustanotherweirdepisodeinthetownthatbroughtyouprotestingenvironmentalists,thislatestdramaisatrialforhowtoday’sparentsperceiverisk,howwetrytokeepourkidssafe—whetherit’spossibletokeepthemsafe—inwhatfeelslikeanincreasinglythreateningworld.Itraisesthequestionofwhat,inourtime,“safe”couldevenmean.“There’snowayaroundtheuncertainty,”saysKimberlyThompson,presidentofKidRisk,anonprofitgroupthatstudieschildren’shealth.“Thatmeansyourchoicescanmatter,butitalsomeansyouaren’tgoingtoknowiftheydo.”A2004reportinthejournalPediatricsexplainedthatnervousparentshavemoretofearfromfire,caraccidentsanddrowningthanfromtoxicchemicalexposure.TowhichIsay:Well,obviously.Butsuchconcretehazardsarebesidethepoint.It’sthedangersparentscan’t—andmaynever—quantifythatoccurallofsudden.That’swhyI’veridmycupboardofmicrowavefoodpackedinbagscoatedwithapotentialcancer-causingsubstance,butalthoughI’velivedblocksfromamajorfaultline(地質(zhì)斷層)formorethan12years,Istillhaven’tboltedourbookcasestothelivingroomwall.52. WhatdoesarecentinvestigationbyUSATodayreveal?A)Heavymetalsinlabteststhreatenchildren’shealthinBerkeley.B)Berkeleyresidentsarequitecontentedwiththeirsurroundings.C)TheairqualityaroundBerkeley’sschoolcampusesispoor.D)ParentsinBerkeleyareover-sensitivetocancerriskstheirkidsface.53. WhatresponsedidUSAToday’sreportdraw?A)Aheateddebate.B)Popularsupport.C)Widespreadpanic.D)Strongcriticism.54. Howdidparentsfeelinthefaceoftheexperts’studies?A)Theyfeltverymuchrelieved.B)Theywerefrightenedbytheevidence.C)Theydidn’tknowwhotobelieve.D)Theyweren’tconvincedoftheresults.55. Whatistheviewofthe2004reportinthejournalPediatrics?A)Itisimportanttoquantifyvariousconcretehazards.B)Dailyaccidentsposeamoreseriousthreattochildren.C)Parentsshouldbeawareofchildren’shealthhazards.D)Attentionshouldbepaidtotoxicchemicalexposure.56. Ofthedangersineverydaylife,theauthorthinksthatpeoplehavemosttofearfrom__________.A)theuncertainB)thequantifiableC)anearthquakeD)unhealthyfoodPassageTwoQuestions57to61arebasedonthefollowingpassage.Cripplinghealthcarebills,longemergency-roomwaitsandtheinabilitytofindaprimarycarephysicianjustscratchthesurfaceoftheproblemsthatpatientsfacedaily.Primarycareshouldbethebackboneofanyhealthcaresystem.Countrieswithappropriateprimarycareresourcesscorehighlywhenitcomestohealthoutcomesandcost.TheU.S.takestheoppositeapproachbyemphasizingthespecialistratherthantheprimarycarephysician.ArecentstudyanalyzedtheproviderswhotreatMedicarebeneficiaries（老年醫(yī)保受惠人）.ThestartlingfindingwasthattheaverageMedicarepatientsawatotalofsevendoctors—twoprimarycarephysiciansandfivespecialists—inagivenyear.Contrarytopopularbelief,themorephysicianstakingcareofyoudon’tguaranteebettercare.Actually,increasingfragmentationofcareresultsinacorrespondingriseincostandmedicalerrors.Howdidweletprimarycareslipsofar?Thekeyishowdoctorsarepaid.Mostphysiciansarepaidwhenevertheyperformamedicalservice.Themoreaphysiciandoes,regardlessofqualityoroutcome,thebetterhe’sreimbursed(返還費用).Moreover,theamountaphysicianreceivesleansheavilytowardmedicalorsurgicalprocedures.Aspecialistwhoperformsaprocedureina30-minutevisitcanbepaidthreetimesmorethanaprimarycarephysicianusingthatsame30minutestodiscussapatient’sdisease.Combinethisfactwithannualgovernmentthreatstoindiscriminatelycutreimbursements,physiciansarefacedwithnochoicebuttoincreasequantitytoboostincome.Primarycarephysicianswhorefusetocompromisequalityareeitherdrivenoutofbusinessortocash-onlypractices,furthercontributingtothedeclineofprimarycare.Medicalstudentsarenotblindtothisscenario.Theyseehowheavilythereimbursementdeckisstackedagainstprimarycare.Therecentnumbersshowthatsince1997,newlygraduatedU.S.medicalstudentswhochooseprimarycareasacareerhavedeclinedby50%.Thistrendresultsinemergencyroomsbeingoverwhelmedwithpatientswithoutregulardoctors.Howdowefixthisproblem?Itstartswithreformingthephysicianreimbursementsystem.Removethepressureforprimarycarephysicianstosqueezeinmorepatientsperhour,andrewardthemforoptimally(最佳地)managingtheirdiseasesandpracticingevidence-basedmedicine.Makeprimarycaremoreattractivetomedicalstudentsbyforgivingstudentloansforthosewhochooseprimarycareasacareerandreconcilingthemarkeddifferencebetweenspecialistandprimarycarephysiciansalaries.We’reatapointwhereprimarycareisneededmorethanever.Withinafewyears,thefirstwaveofthe76millionBabyBoomerswillbecomeeligibleforMedicare.Patientsolderthan85,whoneedchroniccaremost,willriseby50%thisdecade.Whowillbetheretotreatthem?57. Theauthor’schiefconcernaboutthecurrentU.S.healthcaresystemis__________.A)theinadequatetrainingofphysiciansB)thedecliningnumberofdoctorsC)theshrinkingprimarycareresourcesD)theever-risinghealthcarecosts58. Welearnfromthepassagethatpeopletendtobelievethat__________.A)themorecostlythemedicine,themoreeffectivethecureB)seeingmoredoctorsmayresultinmorediagnosticerrorsC)visitingdoctorsonaregularbasisensuresgoodhealthD)themoredoctorstakingcareofapatient,thebetter59. Facedwiththegovernmentthreatstocutreimbursementsindiscriminately,primarycarephysicianshaveto__________.A)increasetheirincomebyworkingovertimeB)improvetheirexpertiseandserviceC)makevariousdealswithspecialistsD)seemorepatientsattheexpenseofquality60. Whydomanynewmedicalgraduatesrefusetochooseprimarycareastheircareer?A)Theyfindtheneedforprimarycaredeclining.B)Thecurrentsystemworksagainstprimarycare.C)Primarycarephysicianscommandlessrespect.D)Theythinkworkinginemergencyroomstedious.61. Whatsuggestiondoestheauthorgiveinordertoprovidebetterhealthcare?A)Bridgethesalarygapbetweenspecialistsandprimarycarephysicians.B)Extendprimarycaretopatientswithchronicdiseases.C)Recruitmoremedicalstudentsbyofferingthemloans.D)Reducethetuitionofstudentswhochooseprimarycareastheirmajor.47.adriver’sattention48.equivalentindifficultytodriving49.moretime50.carfulthinking/consideration51.punishing52.D)theshrinkingprimarycareresources53.C)themoredoctorstakingcareofapatient,thebetter54.A)seemorepatientsattheexpenseofquality55.B)Thecurrentsystemworksagainstprimarycare56.D)Bridgethesalarygapbetweenspecialistsandprimarycarephysicians57.B)TheairqualityaroundBerkeley’sschoolcampusesispoor。58.C)Aheateddebate。59.D)Theydidn’tknowwhotobelieve。60.D)Dailyaccidentsposeamoreseriousthreattochildren。61.A)theunceertain2009年6月英語六級考試真題與答案Questions52to56arebasedonthefollowingpassage.Forhundredsofmillionsofyears,turtles(海龜)havestruggledoutoftheseatolaytheireggsonsandybeaches,longbeforetherewerenaturedocumentariestocelebratethem,orGPSsatellitesandmarinebiologiststotrackthem,orvolunteerstohand-carrythehatchlings(幼龜)downtothewater’sedgelesttheybecomedisorientedbyheadlightsandcrawltowardsamotelparkinglotinstead.AformidablewallofbureaucracyhasbeenerectedtoprotecttheirprimenestingontheAtlanticcoastlines.Withallthatattentionpaidtothem,you’dthinkthesecreatureswouldatleasthavethegratitudenottogoextinct.ButNatureisindifferenttohumannotionsoffairness,andareportbytheFishandWildlifeServiceshowedaworrisomedropinthepopulationsofseveralspeciesofNorthAtlanticturtles,notablyloggerheads,whichcangrowtoasmuchas400pounds.TheSouthFloridanestingpopulation,thelargest,hasdeclinedby50%inthelastdecade,accordingtoElizabethGriffin,amarinebiologistwiththeenvironmentalgroupOceana.ThefigurespromptedOceanatopetitionthegovernmenttoupgradethelevelofprotectionfortheNorthAtlanticloggerheadsfrom“threatened”to“endangered”—meaningtheyareindangerofdisappearingwithoutadditionalhelp.Whichraisestheobviousquestion:whatelsedotheseturtleswantfromus,anyway?Itturnsout,accordingtoGriffin,thatwhilewehavedoneagoodjobofprotectingtheturtlesfortheweekstheyspendonland(asegg-layingfemales,aseggsandashatchlings),wehaveneglectedtheyearsspendintheocean.“Thethreatisfromcommercialfishing,”saysGriffin.Trawlers(whichdraglargenetsthroughthewaterandalongtheoceanfloor)andlonglinefishers(whichcandeploythousandsofhooksonlinesthatcanstretchformiles)takeaheavytollonturtles.Ofcourse,likeeveryotherenvironmentalissuetoday,thisisplayingoutagainstthebackgroundofglobalwarmingandhumaninterferencewithnaturalecosystems.Thenarrowstripsofbeachonwhichtheturtleslaytheireggsarebeingsqueezedononesidebydevelopmentandontheotherbythethreatofrisingsealevelsastheoceanswarm.Ultimatelywemustgetahandleonthoseissuesaswell,oracreaturethatoutlivedthedinosaurs(恐龍)willmeetitsendatthehandsofhumans,leavingourdescendantstowonderhowcreaturesouglycouldhavewonsomuchaffection.注意：此部分試題請在答題卡2上作答。52.Wecanlearnfromthefirstparagraphthat________.A．humanactivitieshavechangedthewayturtlessurviveB．effortshavebeenmadetoprotectturtlesfromdyingoutC．governmentbureaucracyhascontributedtoturtles’extinctionD．marinebiologistsarelookingforthesecretofturtles’reproduction53.Whatdoestheauthormeanby“Natureisindifferenttohumannotionsoffairness”(Line1,Para.2)?A．Natureisquitefairregardingthesurvivalofturtles.B．Turtlesarebynatureindifferenttohumanactivities.C．Thecourseofnaturewillnotbechangedbyhumaninterference.D．Theturtlepopulationhasdecreasedinspiteofhumanprotection.54.WhatconstitutesamajorthreattothesurvivalofturtlesaccordingtoElizabethGriffin?A．Theirinadequatefoodsupply.B．Unregulatedcommercialfishing.C．Theirlowerreproductivelyability.D．Contaminationofseawater55.Howdoesglobalwarmingaffectthesurvivalofturtles?A．Itthreatensthesandybeachesonwhichtheylayeggs.B．Thechangingclimatemakesitdifficultfortheireggstohatch.C．Therisingsealevelsmakeitharderfortheirhatchlingstogrow.D．Ittakesthemlongertoadapttothehighbeachtemperature.56.Thelastsentenceofthepassageismeantto________.A．persuadehumanbeingstoshowmoreaffectionforturtlesB．stressthateventhemostuglyspeciesshouldbeprotectedC．callforeffectivemeasurestoensureseaturtles’survivalD．warnourdescendantsabouttheextinctionofspeciesPassageTwoQuestions57to61arebasedonthefollowingpassage.Therearefewmoresoberingonlineactivitiesthanenteringdataintocollege-tuitioncalculatorsandgaspingastheWebspitsbackasix-figuresum.Buteconomistssayfamiliesabouttogointodebttofundfouryearsofpartying,aswellasstudying,canconsolethemselveswiththeknowledgethatcollegeisaninvestmentthat,unlikemanybankstocks,shouldyieldhugedividends.A2008studybytwoHarvardeconomistsnotesthatthe“l(fā)abor-marketpremiumtoskill”—ortheamountcollegegraduatesearnedthat’sgreaterthanwhathigh-schoolgraduateearned—decreasedformuchofthe20thcentury,buthascomebackwithavengeance(報復(fù)性地)sincethe1980s.In2005,Thetypicalfull-timeyear-roundU.S.workerwithafour-yearcollegedegreeearned$50,900,62%morethanthe$31,500earnedbyaworkerwithonlyahigh-schooldiploma.There’snoquestionthatgoin