大学英语四级真题与答案解析第二套.docx
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大学英语四级真题与答案解析第二套.docx
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大学英语四级真题与答案解析第二套
2016年12月大学英语四级考试真题(第2套)
PartI
Writing
(30minutes)
Directions:
Forthispart,youareallowed30minutestowriteanessay.Supposeyouhavetwooptionsupongraduation:
oneistotakeajobinacompanyandtheothertogotoagraduateschool.Youaretomakeachoicebetweenthetwo.Writeanessaytoexplainthereasonsforyourchoice.Youshouldwriteatleast120wordsbutnomorethan180words.
PartⅢ
ReadingComprehension
(40minutes)
SectionA
Directions:
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
Directions:
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-setwered
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