2020年12月大学英语四级真题和答案解析(全三套)

2020年12月大学英语四级 真题 北京中考数学真题pdf四级真题及答案下载历年四级真题下载证券交易真题下载资料分析真题下载 和答案解析(全三套)12月大学英语四级 试卷 云南省高中会考试卷哪里下载南京英语小升初试卷下载电路下试卷下载上海试卷下载口算试卷下载 及答案解析(全三套)四级听力第一套：NewsReport1A9-year-oldgirlinNewMexicohasraisedmorethan$500forherlittlebrotherwhoneedsheartsurgeryinHouston,TexasthisJuly.AddisonWitulski'sgrandmotherKimAllred,saidAddisonprobablyoverheardaconversationbetweenfamilymemberstalkingaboutthefundsneededtogetherlittlebrothertotreatment. "Iguesssheoverheardhergrandfatherandmetalkingabouthowwe'reworriedabouthowwe'regoingtogettoHouston,formygrandson'sheartsurgery,"saidAllred.Shedecidedtogooutsideandhavealemonadestandandmakesomedrawingsandpicturesandsellthem.”That'swhenAddisonandherfriendsErikaandEmilyBordendecidedtoselllemonadefor50centsacupandsellpicturesfor25centseach.BeforeAllredknewit,NewMexicoStatePoliceOfficerswereamongthemanystoppingbyhelpingthemreachatotalof$568. Thefamilyturnedtosocialmediaexpressingtheirgratitudesaying,"Fromthebottomofourhearts,wewouldliketodeeplythankeachandeverypersonthatstoppedby!"1:WhodidAddisonraisethemoneyfor?2:HowdidAddisonraisethemoney?)Herlittlebrother.)Bysellinglemonadeandpictures.NewsReport2:Lastweek,Franceannouncedthatthecountrywillpave621milesofroadwithsolarpanelsoverthenextfiveyearswiththegoalofprovidingcheap,renewableenergytofivemillionpeople.CalledtheWard Way,theroadswillbebuiltthroughjointeffortswiththeFrenchroadbuildingcompanyColasandtheNationalInstituteofSolarEnergy.Thecompanyspentthelastfiveyearsdevelopingsolarpanelsthatareonlyaboutaquarterofinchthickandarestrongenoughtostanduptoheavyhighwaytrafficwithoutbreakingormakingtheroadsmoreslippery.Thepanelsarealsodesignedsothattheycanbeinstalleddirectlyontopoftheexistingroadways,makingthemrelativelycheapandeasytoinstall.Franceisthefirstcountrytokickaroundtheideaofpavingitsroadswithsolarpanels.InNovember,theNetherlandscompleteda229-footlongbikepathpavedwithsolarpanelsasatestforfutureprojects.However,thisisthefirsttimeapanelhasbeendesignedtobelaiddirectlyontopexistingroadsandthefirstprojecttoinstallthepanelsonpublichighways.    3:WhatwasFrance’spurposeofconstructingtheWard Way?4:WhatisspecialaboutthesolarpanelsusedintheWard Way?)Providingcleanenergytofivemillionpeople.)Theycanbelaidrightontopofexistinghighways.NewsReport 3LionshavedisappearedfrommuchofAfrica,butforthepastfewyearsscientistshavewonderedifthebigcatswerehangingoninremotepartsofSudanandEthiopia.Continuousfightingintheregionhasmadesurveysdifficult.ButscientistsreleasedareportMondaydocumentingwithhardevidencethediscoveryof"lostlions."AteamwithOxfordUniversity’sWildlifeConservationResearchUnit,supportedbyacharityorganization,spenttwonightsinNovembercampinginanationalparkinnorthwestEthiopiaontheEthiopia-Sudanborder.Theresearcherssetoutsixcameratraps,capturingimagesoflions,andtheidentifiedliontracks. ThescientistsconcludedthatlionsarealsolikelytoliveinaneighboringnationalparkacrosstheborderinSudan.TheInternationalUnionforConservationofNaturehadpreviouslyconsideredtheareaa"possiblerange"forthespecies,andlocalpeoplehadreportedseeinglionsinthearea,butnoonepresentedconvincingevidence.5:WhathasmadeitdifficulttosurveylionsinremotepartsofSudanandEthiopia?6:Whatwasthemainpurposeoftheresearch?7:Whatdidtheresearchersfindinthenationalpark?)Endlessfighingintheregion.)Tofindevidenceofthelions'disappearance.)Lions'tracks.ConversationOneM:Ibegyou’relookingforwardtotheendofthismonth.Aren’tyou?W:Yes,Iam.Howdidyouknow?M:Davidtoldmeyouhadaspecialbirthdaycomingup.W:Oh,yes.That’sright.Thisyearwouldbemygoldenbirthday.M:Whatdoesthatmean?I’veneverheardofagoldenbirthday.W:I’veactuallyjustlearnedofthisconceptmyself.Fortunately,justintimetocelebrate.Agoldenorluckybirthdayiswhenoneturnstheageoftheirbirthdate.So,forexample,mysister’sbirthdayisDecember9thandhergoldenbirthdaywouldhavebeentheyearsheturns9yearsold.Cometothinkofit,myparentsdidthrowherasurprisepartythatyear.M:Interesting.ToobadImissedmine.Mygoldenbirthdaywould’vebeenfouryearsago.Iassumedlygotabigplanthen.W:Actuallyyes.Myhusbandisplanningasurpriseholidayforthetwoofusnextweek.Ihavenoideawhathe’sgotteninmind,butI’mexcitedtofindout.Hashementionedanythingtoyou?M:Hemighthave.W:Anythingyou’dliketoshare?I’mdyingtoknowwhatkindoftriphehasplannedwherewe’regoing.M:Yeah,nothingatall.W:Notaclue.Hardtoimagine,isn’tit!ThoughImustsay,Ithinkithasbeenevenmorefunkeepingthesecretformethepastfewweeks.M:I’msurebothofyouwillhaveafantastictime.Happygoldenbirthday!Ican’twaittohearallaboutitwhenyougetback.8.Whatdoesthewomanlookingforwardto?9.Whatdidthewoman’sparentsdoonhersister’sluckybirthday?10.Whatisthewomaneagertofindoutabout?11.Whatdoesthemansayattheendoftheconversation?)Her"luckybrithday".)Threwherasuperiseparty.)Thetripherhusbandhasplanned.)Heiseagertolearnhowthecouple'sholidayturnsout.ConversationTwoW:Mr.Green,Whatdoyouthinkmakesasuccessfulnegotiator?M:Well,Itdoeshardtodefine,butIthinksuccessfulnegotiatorshaveseveralthingsincommon.Theyarealwayspoliteandrationalpeople,theyarefirm,butflexible.Theycanrecognizepowerandknowhowtouseit.Theyaresensitivetothedynamicsinthenegotiation,thewayitraisesandfalls,andhowmaychangethedirection.Theyprojecttheimageofconfidence,andperhapsmostimportantly,theyknowwhentostop.W:Andwhataboutanunsuccessfulnegotiator?M:Well,thisprobablyallofuswhenwestartout.Weareprobablyimmatureandover-trusting,tooemotionaloraggressive.Weareunsureofourselvesandwanttobelikedbyeveryone.Goodnegotiatorslearnfast,poolnegotiatorsremainlikethatandgoonlosingnegotiations,W:Inyouropinion,cantheskillsofnegotiationbetaught?M:Well,youcanteachsomeonehowtopreparefornegotiation.Thereperhapssixstagesineverynegotiation,gettoknowtheotherside,stayyourgoals,starttheprocess,clarifythereisadisagreementorconflict,reassessyourposition,makingacceptablecompromise,andfinallyreachsomeagreementsandprincipals.Thesestagescanbestudied,andstrategiestobeusedineachcanbeplannedbefore-hand.ButIthinkthereallysuccessfulnegotiatorisprobablybornwiththesixthsensethatmayrespondproperlytothesituationathand.W:Theartisticsenseyoujustdescribed?M:Yes,that’sright12.What’sthemansayaboutgoodnegotiators?13.Whatdoesthemansay,maybethemostimportantthingtoasuccessfulnegotiator?14.Howisagoodnegotiatordifferentfromapoorone?15.What’sthefirststageofanegationaccordingtotheman?12.A)Theyaresensitivetothedynamicsofanegotiation. 13.B)Theyknowwhentostop. 14.C)Theylearnquickly. 15.D)Gettoknowtheotherside. PassageOneSomepeoplewonderwhycountriesspendmillionsofdollarsonspaceprojects.Theywanttoknowhowspaceresearchhelpspeopleonearth.Actually,spacetechnologyhelpspeopleoneartheveryday.Thisiscalledspin-offtechnology.Spin-offtechnologyisspacetechnologythatisnowusedonearth.Inearlyspaceprograms,suchastheApollomissionsofthe1960sand1970sandinthespaceshuttlemissionstoday,scientistsdevelopedobjectsfortheastronautstouseonthemoonandinspace.Wenowusesomeoftheseobjectseveryday.Forexample,wehavequartzcrystalclocksandwatchesaccuratetowithinoneminuteayear.Wepurifythewaterwedrinkwiththewaterfilterdesignedfortheastronautstouseinspace.Thecordlesshand heldtoolsweuseinourhomes,suchasvacuumcleaners,flashlights,drillscamefromthetechnologyoftheseearlyspaceprograms.Oncoldwinterdays,wecanstaywarmwithbattery-operatedglovesandsocks,especiallymadecoatsandjackets.Alltheclothesaresimilartothespacesuitsdesignsthatkeptastronautscomfortableinthetemperaturesofthemoon,inourspin offsfromspacetechnology.Theseproductsareonlyafewexamplesofthemanywaysspacetechnologyhelpsusinoureverydaylives.Nooneknowshownewspin offtechnologyfromtheinternationalspacestationwillhelpusinthefuture.16.Whatdosomepeoplewanttoknowaboutspaceexploration?17.Whatdidscientistdoforthespaceshuttlemissions?18.Whatdoesthespeakersayaboutthequartzcrystalclocksandwatches?16.D)HowspaceresearchbenefitspeopleonEarth.17.B)Theydevelopedobjectsforastronautstouseinouterspace.18.C)Theyareextremelyaccurate.PassageTwoWell,ifIcouldgetbackinhistoryandlive,I'dliketogetbacktothe18thcenturyandperhapsincolonialAmericainYankeenewEnglandwhereoneofmyancestorslived,becauseitwasthebeginningofsomething.Bythe18thcentury,therewasafeelingofcommunitythathadgrown.Myancestorwasthepreachertravelingaroundcountryside.Peoplelivedinsmallcommunities.Itwasfishermanandfarmerswhoprovidedfreshfoodthattastedandlookedlikefood.Unliketoday’ssupermarkets,andthereweresmalltownsandNewYorkwasn'tthatfaraway.I'mdeeplyattachedtothepuritantraditionnotinareligioussense.Buttheybelieved inworkingforsomething,workingforgoals.AndIlikethat.Theyworkedhardatwhatevertheydid,buttheyhadasenseofachievement.Theybelievedingoodness,incommunity,andhelpingoneanother.Ilovethecolonialfabricsorthesilverworks,thefurnishings,thecombinationofelegancesimplicity.I'dloveit.Theprinting,thebooks,I’mveryattachedtoallthatkindofthing.Thatmaynotallbeveryentertaininginthemodernsenseoftheworld,butIwouldhaveenjoyedspendingmyeveningsinthatenvironment,discussingnewideas,buildinganewworld,andIcanseemyselfsittingonasmallchairbythefiredoingneedlework.19.Whydoesthespeakersayshewouldliketogobackandliveinthe18thcenturyAmerica?20.WhatdoesthespeakersayaboutthePuritans?21.Whatwouldthespeakerlikedoingifshecouldgobacktothepast?19.C)Itmarkedthebeginningofsomethingnew.20.A)Theybelievedworkingforgoals.21.D)Doingneedleworkbythefire.PassagethreeIfyouarelostinthewoods,alittleknowledgeconcernedwithsomepeoplecalledahardshipintoanenjoyablestayawayfromthetroublesofmodernsociety.Whenyouthinkyou'relost,sitdownonthelogorrock,orleanagainstthetree,andrecitesomethingyouarememorizedtobringyourmindtothepointwhereisundercontrol.Don’trunblindlyifyoumustmove,don'tfollowstreamunlessyouknowit,andinthatcaseyou'renotlost.Streamsnormallyflowthroughwidelandbeforetheyreachalakeorriverthoughtherearemoreeatableplants,theremayalsobewildanimals,poisonoussnakes,andotherhazards.Manyexpertsfeelitisthewisesttowalkuphill.Atthetopofmosthillsandmountainsaretrailslivingbacktocivilizations.Iftherearenotrails,you'remucheasiertobeseenontopofthehill.Andyoumayevenspotthehighwayorrailroadfromthispoint.Nowadays,thefirstwaysomeofyousearchforyouisbyair.Inthewidelandsorindensegrass,we'reveryhardtospot.Anytimeyouaregoingtothewoods,somebodyshouldknowwhereyou'regoing,andwhenyouareexpectedtoreturn,alsowhensomeonecomestolooking,youshouldbeabletosignaltothem.22.Whatdoesthespeakeradviseyoutodofirstifyouarelostinthewoods?23.Whatwillhappenifyoufollowanunknownstreaminthewoods?24.Whatdomanyexpertsthinkisthewisestthingtodoifyou'relostinthewoods?25.Whatshouldyoudobeforeyougointothewoods?22. C)Sitdownandtrytocalmyourself23. B)Youmayexposeyourselftounexpecteddangers.24. D)Walkuphill.25. A)Informsomebodyofyourplan.四级听力第二套：答案：)Ithasgotoneofitsinjured.)Itsvideoswerepostedonsocialmedia.)Thedistancetravelled.)Gasconsumptionissoaring.)Hehelpsastrangertocarrygroceriestohiscar.)Heraisedalargesumofmoneyforhim.)Heworkshardtosupporthisfamily.8.A)Attendaneconomicslecture9.C)Attendhisbrother’sbirthdayparty10.D)Joinhiminhisbrother’sbirthdaycelebration11.B)Bytrain12.A)Takingavacationabroad.13.C)Workingparttimeasawaiter.14.B)Saveenoughmoney..15.A)Hehasrichsailingexperience.16.D)ShewasalsoaNobelPrizewinner.17.B)ShedevelopedX-rayfacilitiesformilitaryhospitals.18. A)Bothdiedofbloodcancer.19.C)TheydiscoveredIcelandintheninthcentury.20.D)Itwasarockymassoflandcoveredwithice.21.A)TheeViking’soceanexplorations.22. C)Dreamaboutthefuture.23.B)Changewhathehasforhispastimaginaryworld.24.D)Internationalbusiness.25.B)Becontentwithwhatyouhave.四级阅读第一套：选词填空26.[K]superior27.[D]nuisance28.[M]tip29.[O]visual30.[A]associated31.[F]preventing32.[H]sensitive33.[I]slight34.[C]indicate35.[J]specify匹配题36. [I] Elderlystudentsfindithardtokeepupwiththerapidchangesineducation.37. [E] Somebelievetake-homeexamsmayaffectstudents'performancesinotherscourses.38. [C] Certainprofessorsbelievein-classexamsareultimatelymorehelpfultostudents39. [D] In-classexamsarebelievedtodiscouragecheatinginexams.40. [B] Theauthorwashappytolearnshecoulddosomeexamsathome.41. [H] Studentswhoputofftheirworkuntilthelastmomentoftenfindtheexamsmoredifficultthantheyactuallyare.42. [G] Differentstudentsmaypreferdifferenttypesofexams.43. [F] Mostprofessorsagreewhethertogiveanin-classoratake-homeexamdependsonthetypeofcoursebeingtaught.44. [A] Theauthordroppedoutofcollegesomefortyyearsago.45. [J] Somestudentsthinktake-homeexamswilleatuptheirfreetime.仔细阅读46.BTheyjustcannotdoanythingaboutit.47.AItmightbepreventedandtreated.48.DItwillmotivatedoctorsandpharmaciststofindwaystotreataging.49.CTheycancontributetopeople'shealthonlytoalimitedextent.50.AThehumanlifespancannotbeprolonged.51.CMoremalesthanfemalesarelikelytogetoutstandinglettersofrecommendation.52.CMenarebelievedtobebetterabletoexcelinSTEMdisciplines.53.BTheycontainnothingthatdistinguishestheapplicants.54.DTheydeletedallinformationaboutgender.55.DStartapublicdiscussiononhowtoraisewomen'sstatusinacademiccircles.四级阅读第二套：选词填空Weallknowthereexistsagreat void（空白）inthepubliceducationalsystemwhenitcomesto    26   toSTEM(Science,Technology,EngineeringandMathematics)courses.OneeducatornamedDoriRobertsdecidedtodosomethingtochangethissystem.Doritaughthighschoolengineeringfor11years.ShenoticedtherewasarealvoidinqualitySTEMeducationatall    27    ofthepubliceducationalsystem.Shesaid,“IstartedEngineeringForKids(EFK)afternoticingareallackofmath,scienceandengineeringprogramsto    28    myownkidsin.”  Shedecidedtostartanafterschoolprogramwherechildren    29   inSTEM-basedcompetitions.Theclubgrewquicklyandwhenitreached180membersandthekidsintheprogramwonseveralstate    30  ,shedecidedtodevoteallhertimetocultivatingand     31    it.TheglobalbusinessEFKwasborn.  DoribeganoperatingEFKoutofherVirginiahome,whichshethenexpandedto     32    recreationcenters.Today,theEFKprogram    33    over144branchesin32stateswithintheUnitedStatesandin21countries.Saleshavedoubledfrom$5millioninto$10millionin,with25newbranchesplannedfor.TheEFKwebsitestates,“Ournationisnot    34    enoughengineers.Ourphilosophyistoinspirekidsatayoungagetounderstandthatengineeringisagreat      35  .”26.G  exposure 27.L  levels28.F  enroll29.O  participated30.C  championships31.E  developing32.M  local33.N  operates34.J  graduating35.B  career匹配题36.Tobecurious,weneedtorealizefirstofallthattherearemanythingswedon’tknow.H）Moreover,inordertobecurious,”youhavetoawareofagapinyourknowledgeinthefirstplace.”AlthoughLeslieperhapspaintsabitbroadlyincontendingthatmostofusareunawareofhowmuchwedon’tknow,he’ssurelyrighttopointoutthattheproblemisgrowing:”Googlecangiveusthepowerfulillusionthatallquestionshavedefiniteanswers.”37.AccordingtoLeslie,curiosityisessentialtoone’ssuccess.D)    ThejournalistIanLeslie,inhisnewandenjoyablebook Curious:TheDesiretoKnowandWhyYourFutureDependsonIt,insiststhattheanswertothatlastquestionis“Yes”.Lesliearguesthatcuriosityisamuch-overlookedhumanvirtue,crucialtooursuccess,andthatwearelosingit.38.Weshouldfeelhappywhenwepursueknowledgeforknowledge’ssake.O)    AllofwhichbringsusbacktoGoodellandtheChristiecaseandBenghazi.Eachcriticinthoseexamplesischarging,inadifferentway,thatsomeoneinauthorityisintentionallybeingleaveittothereader'spoliticalpreferencetodecidewhich,ifany,chargesshouldstick.Butlet’sbecarefulaboutdemandingcuriosityabouttheotherside’sweaknessesandremainingdeterminedlyincuriousaboutourown.Weshouldbedelightedtopursueknowledgeforitsownsake—evenwhenwhatwefindoutissomethingwedidn'tparticularlywanttoknow.39.Politicalleaders’lackofcuriositywillresultinbadconsequences.M)    AlthoughLeslie’sbookisn’taboutpolitics,hedoesn’tentirelyshyawayfromtheproblem.Politicalleaders,likeleadersofotherorganizations,shouldbecurious.Theyshouldaskquestionsatcrucialmoments.Thereareseriousconsequences,hewarns,innotwantingtoknow.40.Thereareoftenaccusationsaboutpoliticians’andthemedia’slackofcuriositytofindoutthetruth.B)    Theaccusationofincuriosityisonethatwehearoften,carryingthesuggestionthatthereissomethingwrongwithnotwantingtosearchoutthetruth.“Ihavebeenbotheredforalongtimeaboutthecuriouslackofcuriosity,”saidaDemocraticmemberoftheNewJerseylegislaturebackinJuly,referringtoaninsufficientlyinquiringattitudeonthepartofanassistanttoNewJerseyGovernorChrisChristiewhochosenottoaskhardquestionsabouttheGeorgeWashingtonBridgetrafficscandal.“Isn’tthemainstreammediatheleastbitcuriousaboutwhathappened?”wroteconservativewriterJenniferRubinearlierthisyear,referringtotheattackonAmericansinBenghazi,Libya.41.Thelesscuriousachildis,thelessknowledgethechildmayturnouttohave.L)    Schooleducation,hewarns,isoftenconductedinawaythatmakeschildrenofeducatedandupper-middle-classparentsturnouttobefarmorecurious,evenatearlyages,thanchildrenofworkingclassandlowerclassfamilies.Thatlackofcuriosityproducesarelativelackofknowledge,andthelackofknowledgeisdifficultifnotimpossibletocompensateforlateron. 42.Itiswidelyacceptedthatacademicaccomplishmentliesinbothintelligenceanddiligence.K)    Citingtheworkofpsychologistsand cognitive（认知的）scientists,Lesliecriticizesthereceivedwisdomthatacademicsuccessistheresultofacombinationofintellectualtalentandhardwork.Curiosity,heargues,isthethirdkeyfactor—andadifficultonetopreserve.Ifnotcultivated,itwillnotsurvive：“Childhoodcuriosityisacollaborationbetweenchildandadult.Thesurestwaytokillitistoleaveitalone.”43.Visitingabookshopascuriosityleadsuscanbeagoodwaytoentertainourselves.J)    Somewhatnostalgically（怀旧地），hequoteJohnMaynardKeynes’sjustlyfamouswordsofpraisetothebookstore:”Oneshouldenteritvaguely,almostinadream,andallowwhatistherefreelytoattractandinfluencetheeye.Towalktheroundsofthebookshops,dippinginascuriositydictates,shouldbeanafternoon’sentertainment.”Ifonly!44.BoththeriseoftheInternetandreducedappetiteforliteraryfictioncontributetopeople’sdecliningcuriosity.G)    Lesliepresentsconsiderableevidenceforthepropositionthatthesocietyasawholeisgrowinglesscurious.Inthe.andEurope,forexample,theriseoftheInternethasledtoadecliningconsumptionofnewsfromoutsidethereader’sborders.Butnoteverythingistobeblamedontechnology.Thedeclineininterestinliteraryfictionisalsooneofthecausesidentifiedbyliteraryfiction,hesays,makeusmorecurious.wouldn’tbesoinnovativewithoutcuriosity.F)    Whyisthisaproblem?Becausewithoutcuriositywewilllosethespiritofinnovationandentrepreneurship.Wewillseeunimaginativegovernmentsanddyingcorporationsmakedisastrousdecisions.Wewillloseavitalpartofwhathasmadehumanityasawholesosuccessfulasaspecies.仔细阅读46. Whatdowelearnfromthepassageaboutcitiesinsub-SaharanAfrica?B）Theyaregrowingfastwithoutbecomingricher47. Whatdoestheauthorimplyabouturbanisationinotherpartsoftheworld?B)Itstartedwhenpeople’sincomewasrelativelyhigh.48.Whyissub-SaharanAfricaunappealingtoinvestors?A)Itlacksadequatetransportfacilities.49.Inwhat waydoesauthorsayAfricancitiesaredifferent?C)Theyhavedevelopedattheexpenseofnature.50.WhatmightbeasolutiontotheproblemsfacingAfricancities?D)Amoreresponsiblegovernment51.