大学英语四级真题及答案第二套文档格式.docx

大学英语四级真题及答案第二套文档格式.docx

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oneistotakeajobinacompanyandtheothertogotoagraduateschool.Youaretomakeachoicebetweenthetwo.Writeanessaytoexplainthereasonsforyourchoice.Youshouldwriteatleast120wordsbutnomorethan180words.

PartⅢ

ReadingComprehension

（40minutes）

SectionA

Inthissection,thereisapassagewithtenblanks.Youarerequiredtoselectonewordforeachblankfromalistofchoicesgiveninawordbankfollowingthepassage.Readthepassagethroughcarefullybeforemakingyourchoices.Eachchoiceinthebankisidentifiedbyaletter.PleasemarkthecorrespondingletterforeachitemonAnswerSheet2withasinglelinethroughthecentre.Youmaynotuseanyofthewordsinthebankmorethanonce.

Questions26to35arebasedonthefollowingpassage.

Theoceanisheatingup.That'

stheconclusionofanewstudythatfindsthatEarth'

soceansnow26heatattwicetheratetheydid18yearsago.Aroundhalfofoceanheatintakesince1865hastakenplacesince1997,researchersreportonlineinNatureClimateChange.

Warmingwatersareknownto27tocoralbleaching（珊瑚白化）andtheytakeupmorespacethancoolerwaters,raisingsea28Whilethetopoftheoceaniswellstudied,itsdepthsaremoredifficultto29Theresearchersgathered150yearsofoceantemperaturedatainordertogetabetter30ofheatabsorptionfromsurfacetoseabed.Theygatheredtogethertemperaturereadingscollectedbyeverythingfroma19thcentury31ofBritishnavalshipstomodemautomatedoceanprobes.Theextensivedatasources,32withcomputersimulations（计算机模拟）,createdatimelineofoceantemperaturechanges,includingcoolingfromvolcanicoutbreaksandwarmingfromfossilfuel33

About35percentoftheheattakeninbytheoceansduringtheindustrialeranowresidesata34ofmorethan700meters,theresearchersfound.Theysaythey'

re35whetherthedeep-seawarmingcanceledoutwarmingatthesea'

ssurface.

A.absorb

B.Combined

C.Contribute

D.depth

E.emissions

F.excursion

G.explore

H.floor

I.heights

J.indifferent

K.levels

L.mixed

M.picture

N.unsure

O.voyage

SectionB

Inthissection,youaregoingtoreadapassagewithtenstatementsattachedtoit.Eachstatementcontainsinformationgiveninoneoftheparagraphs.Identifytheparagraphfromwhichtheinformationisderived.Youmaychooseaparagraphmorethanonce.Eachparagraphismarkedwithaletter.AnswerthequestionsbymarkingthecorrespondingletteronAnswerSheet2.

TheSecrettoRaisingSmartKids

A）Ifirstbegantoinvestigatethebasisofhumanmotivation--andhowpeoplepersevereaftersetbacks--asapsychologygraduatestudentatYaleUniversityinthe1960s.AnimalexperimentsbypsychologistsattheUniversityofPennsylvaniahadshownthatafterrepeatedfailures,mostanimalsconcludethatasituationishopelessandbeyondtheircontrol.Aftersuchanexperienceananimaloftenremainspassiveevenwhenitcaneffectchange--astatetheycalledlearnedhelplessness.

B）Peoplecanlearntobehelpless,too.Whydosomestudentsgiveupwhentheyencounterdifficulty,whereasotherswhoarenomoreskilledcontinuetostriveandlearn?

Oneanswer,Isoondiscovered,layinpeople'

sbeliefsaboutwhytheyhadfailed.

C）Inparticular,attributingpoorperformancetoalackofabilitydepressesmotivationmorethandoesthebeliefthatlackofeffortistoblame.WhenItoldagroupofschoolchildrenwhodisplayedhelplessbehaviorthatalackofeffortledtotheirmistakesinmath,theylearnedtokeeptryingwhentheproblemsgottough.Anothergroupofhelplesschildrenwhoweresimplyrewardedfortheirsuccessoneasierproblemsdidnotimprovetheirabilitytosolvehardmathproblems.Theseexperimentsindicatedthatafocusoneffortcanhelpresolvehelplessnessandgeneratesuccess.

D）Later,Idevelopedabroadertheoryofwhatseparatesthetwogeneralclassesoflearners--helplessversusmastery-oriented.Irealizedthesedifferenttypesofstudentsnotonlyexplaintheirfailuresdifferently,buttheyalsoholddifferent"

theories"

ofintelligence.Thehelplessonesbelieveintelligenceisafixedcharacteristic:

youhaveonlyacertainamount,andthat'

sthat.Icallthisa"

fixedmind-set（思维模式）."

Mistakescracktheirself-confidencebecausetheyattributeerrorstoalackofability,whichtheyfeelpowerlesstochange.Theyavoidchallengesbecausechallengesmakemistakesmorelikely.Themastery-orientedchildren,ontheotherhand,thinkintelligenceisnotfixedandcanbedevelopedthrougheducationandhardwork.Suchchildrenbelievechallengesareenergizingratherthanintimidating（令人生畏）;

theyofferopportunitiestolearn.Studentswithsuchagrowthmind-setweredestined（注定）forgreateracademicsuccessandwerequitelikelytooutperformtheircounterparts.

E）WevalidatedtheseexpectationsinastudyinwhichtwootherpsychologistsandImonitored373studentsfortwoyearsduringthetransitiontojuniorhighschool,whentheworkgetsmoredifficultandthegradingmorestrict,todeterminehowtheirmind-setsmightaffecttheirmathgrades.Atthebeginningofseventhgrade,weassessedthestudents'

mind-setsbyaskingthemtoagreeordisagreewithstatementssuchas"

Yourintelligenceissomethingverybasicaboutyouthatyoucan'

treallychange."

Wethenassessedtheirbeliefsaboutotheraspectsoflearningandlookedtoseewhathappenedtotheirgrades.

F）Aspredicted,thestudentswithagrowthmind-setfeltthatlearningwasamoreimportantgoalthangettinggoodgrades.Inaddition,theyheldhardworkinhighregard.Theyunderstoodthatevengeniuseshavetoworkhard.Confrontedbyasetbacksuchasadisappointingtestgrade,studentswithagrowthmind-setsaidtheywouldstudyharderortryadifferentstrategy.Thestudentswhoheldafixedmind-set,however,wereconcernedaboutlookingsmartwithlessregardforlearning.Theyhadnegativeviewsofeffort,believingthathavingtoworkhardwasasignoflowability.Theythoughtthatapersonwithtalentorintelligencedidnotneedtoworkhardtodowell.Attributingabadgradetotheirownlackofability,thosewithafixedmind-setsaidthattheywouldstudylessinthefuture,trynevertotakethatsubjectagainandconsidercheatingonfuturetests.

G）Suchdifferentoutlookshadadramaticimpactonperformance.Atthestartofjuniorhigh,themathachievementtestscoresofthestudentswithagrowthmind-setwerecomparabletothoseofstudentswhodisplayedafixedmind-set.Butastheworkbecamemoredifficult,thestudentswithagrowthmind-setshowedgreaterpersistence.Asaresult,theirmathgradesovertookthoseoftheotherstudentsbytheendofthefirstsemester--andthegapbetweenthetwogroupscontinuedtowidenduringthetwoyearswefollowedthem.

H）Afixedmind-setcanalsohindercommunicationandprogressintheworkplaceanddiscourageorignoreconstructivecriticismandadvice.Researchshowsthatmanagerswhohaveafixedmind-setarelesslikelytoseekorwelcomefeedbackfromtheiremployeesthanaremanagerswithagrowthmind-set.

I）Howdowetransmitagrowthmind-settoourchildren?

Onewayisbytellingstoriesaboutachievementsthatresultfromhardwork.Forinstance,talkingaboutmathematicalgeniuseswhoweremoreorlessbornthatwayputsstudentsinafixedmind-set,butdescriptionsofgreatmathematicianswhofellinlovewithmathanddevelopedamazingskillsproduceagrowthmind-set.

J）Inaddition,parentsandteacherscanhelpchildrenbyprovidingexplicitinstructionregardingthemindasalearningmachine.Idesignedaneight-sessionworkshopfor91studentswhosemathgradesweredecliningintheirfirstyearofjuniorhigh.Forty-eightofthestudentsreceivedinstructioninstudyskillsonly,whereastheothersattendedacombinationofstudyskillssessionsandclassesinwhichtheylearnedaboutthegrowthmind-setandhowtoapplyittoschoolwork.Inthegrowthmind-setclasses,studentsreadanddiscussedanarticleentitled"

YouCanGrowYourBrain."

Theyweretaughtthatthebrainislikeamusclethatgetsstrongerwithuseandthatlearningpromptsthebraintogrownewconnections.Fromsuchinstruction,manystudentsbegantoseethemselvesasagentsoftheirownbraindevelopment.Despitebeingunawarethatthereweretwotypesofinstruction,teachersreportedsignificantmotivationalchangesin27%ofthechildreninthegrowthmind-setworkshopascomparedwithonly9%ofstudentsinthecontrolgroup.

K）Researchisconverging（汇聚）ontheconclusionthatgreataccomplishmentandevengeniusistypicallytheresultofyearsofpassionanddedicationandnotsomethingthatflowsnaturallyfromagift.

36.Theauthor'

sexperimentshowsthatstudentswithafixedmind-setbelievehavingtoworkhardisanindicationoflowability.

37.Focusingoneffortiseffectiveinhelpingchildrenovercomefrustrationandachievesuccess.

38.Wecancultivateagrowthmind-setinchildrenbytellingsuccessstoriesthatemphasizehardworkandloveoflearning.

39.Students'

beliefaboutthecauseoftheirfailureexplainstheirattitudetowardsetbacks.

40.Intheauthor'

sexperiment,studentswithagrowthmind-setshowedgreaterperseveranceinsolvingdifficultmathproblems.

41.Theauthorconductedanexperimenttofindoutabouttheinfluenceofstudents'

mind-setsonmathlearning.

42.Afterfailingagainandagain,mostanimalsgiveuphope.

43.Informingstudentsaboutthebrainasalearningmachineisagoodstrategytoenhancetheirmotivationforlearning.

44.Peoplewithafixedmind-setbelievethatone'

sintelligence