大學英語六級分類模擬題420

大學英六級分類模題420PartWriting1、Directions:Forthispart,youareallowed30minutestowriteanessaycommentingontheremark"Thereisn'tanythingnobleaboutbeingsuperiortoanotherperson.Truenobilityisbeingsuperiorthepersonyouwere."Yougivetoillustratepointthenexplainwhatyouwilldotostaymodest.Youshouldwriteatwordsbutnomorethan200words.WriteyouressayonAnswerSheet1.2、DirectionsForthispart,youare30minutestoanessayonperseverancebyreferringthesayingyoudoeverydaymattersmorethanwhatonceYouciteexamplesyourpointandthenexplainwhatyouwilldotoenhanceyourperseverance.Youshouldwriteatleastwordsbutnomorethanwords.WriteyouressayonAnswerSheet1.3、Directions:Forthispart,youareallowed30minutestowriteanessaycommenting"Betterhourslate."Youcanciteexamplestoillustrateyourpoint.Youshouldwriteatleast150wordsbutnomorethan200words.4、Directions:Forthispart,youareallowed30minutestowriteanessayentitledcommentingexcellencewillbeabovemediocrity;whoaimsatmediocritywillbefarshortofit."Youshouldwriteatleast150wordsbutnomorethan200words.5、Directions:Forthispart,youareallowed30minutestowriteashortessaybutnomorethan200words.WriteyouressayonAnswerSheet1.PartReadingBlowingHotandColdA.Climatechangemaybeslowanduncertain,butthatisnoexcuseforinaction.Onereasonwhyuncertaintyoverclimatechangelookstobewithusforalongtimeisthattheoceans,whichabsorbcarbonfromtheatmosphere,acttime-delaymechanism.massivethatclimatesystemrespondsonlyveryslowlytochangesinthecompositionoftheatmosphere.Anothercomplicationarisesfromtherelationshipbetweencarbondioxide(CO),theprincipalgreenhousegas(GHG.,andsulphur2(SOandacommonpollutant.Effortstoreduceman-madeemissionsofGHGs2bycuttingreduceemissionsofbothgases.ThereductioninCOwillcutwarming,buttheconcurrentSOcutmaymask22thateffectbycontributingtothewarming.B.Therearesomanysuchfuzzy—rangingaerosolparticlesfamiliarclimatepatternsformanyyearswithoutknowingwhytheyarehappeningorwhattodoaboutthem.TomWigley,aleadingclimatescientistandmemberofUN'sgoesHeexcellentbookInstitute,PoliciesonClimateChange:WhatNext?",thatwhateverpolicychangesgovernments

uncertaintieseffectsofsuchchanges,probablyformanydecades."C.Asevidence,hepointstothenegligibleshort-tomedium-termdifferenceofwhichcouldchooseembarkifdecidedtackleclimatechange.tothestabilizationofatmosphericconcentrationsofCOat550partsper2million(ppm).Thatisroughlydoublethelevelwhichprevailedinpreindustrialtimes,andisoftensuggestedbyclimatescientistsasareasonableevendifferencesbetweenvariousoptionswillstillbetinycertainlywithinthemagnitudeofnaturalclimaticInshort,anotherfourwewillstillnotknowifwehaveover-orunder-shot.However,doeswenothing.start,thatthe"greenhouseeffect"isreal:withouttheheat-trappingeffectofwatervapor,CO,methaneandothernaturallyoccurringGHGs,ourplanetwould2bealifeless30℃orcolder.Someoftheseandstored"sinks",oceans,forestsagriculturalasofnature'scarboncycle.E.Wealsoknowthatsincetheindustrialrevolutionbegan,mankind'ssignificantlyconcentrationsofGHGshaverisenfromaround280ppmtwocenturiesagotoaround370ppmtoday,thankschieflytomankind'suseoffossilfuelsand,toalesserdegree,deforestationotherland-usesurfacetemperaturesandsealevelshavebeenrisingforsometime.Therereasonscontinuerising.IPCChasestimatedalikelyrangeforthatincreaseof℃overthenextmattersisnotjusttheabsolutetemperaturelevelbuttherateofchangeaswell,itmakessensetotrytoslowdowntheincrease.G.Theworryisthatarapidriseintemperatureswouldleadtoclimatechangesthatall)CentralofmuchAsiaallbehitbydroughts,stormsandfloodsandotherwisemademiserable.H.Thecolderpartsoftheworldmaybenefitfromwarming,buttheytoofacedanger.OneisconceivableoftheAtlanticasystemofgivesmuchEuropeitsrelativelymildclimate;ifmaychangesandAmerica.warmingmaytriggerirreversiblechangesthattransformtheearthintoalargelyuninhabitableenvironment.Givenpossibility,thoughiscomforttoknowthatanyattemptstostabilizeatmosphericconcentrationsofGHGsaalonginertia,explainsMr.Wigley,evenonceatmosphericconcentrationsofGHGsarestabilized,itwilltakedecadescenturiesfortheclimatetofollowachallenge,anditisworthbearinginmindthatmankind'scontributiontowarmingistheonlyfactorthatcanbecontrolled.Sothesoonerwestartdrawingupalong-termstrategyforclimatechange,thebetter.J.Thatiswhythelong-termobjectiveforclimatepolicymustbeaalow-carbonatransitiongradualawindmills,fortworeasonsthatareoftenoverlooked.K.Oneinvolvesthepreciseforminwhichthecarboninthegroundisdistributed.AccordingtoMichaelGrubboftheCarbonTrust,aBritish

quasi-governmentalbody,thelong-termproblemiscoal.Intheory,wecanburntheconventionalnaturalingroundstillmeetthemostambitiousgoalsfortacklingclimatechange.wedothat,mustensurethatthefargreateramountsofcarbontrappedascoal(andotherreason,asscientiststookcaretopointout,isthatitisnetemissionsofthat2ofasofifonlywaycancaptureofassociatedHappily,2alreadyhavesomemagicintheworks.Twodecadestheworldfacedsimilarevidenceholeinlayer.inconclusivesuggestedthatman-made,causedbytheusechlorofluorocarbonsTherethedistantofdisaster,andthethataconcertedglobalwasrequired.Industrywasreluctantfirst,yetleadershipfromBritainandAmericatheMontrealwas1987.hasprovedmanufacturealreadysignsthattheozonelayerisonthewaytorecovery.M.Thisstoryholdsseverallessonsfortheadmittedlyfarmorecomplexclimateproblem.First,itistherichworldwhichhascausedtheproblemandleadtheit.pooragreetohelp,butisrighttoinsistonbeinggiventimeaswellasmoneyandtechnology—tohelpitadjust.Third,industryholdsthekey:intheozone-depletionafterwithrestoftheCFCmanufacturersthatadealbecamepossible.surroundingathreatsuchasclimatechangeisnoexcuseforinaction.Newscientificevidenceshowsthatthethreatfromozonedepletionhadbeenmuchdeadlierthanwasthoughtatthetimewhentheworlddecidedtoact.6、Scientistsholdthatby2040thetemperaturedifferenceswillstillbesmallandinthenextfortyyearswestilldon'tknowwhetherwetrymuchaboutthat.7、Therapidrisetoturnwillbringforththreattotheearthinmanypartsoftheworld.8、reductionbydowntheglobalwarming,butatthesametimethereductionofsulphurdioxidewillalsoresultinglobalwarming.9、WeknowthatsinceIndustrialRevolutionhumanscausedthegreenhouseeffect,thusmakingthetemperaturerising.10、IfagoodwaycanbefoundtotrapanddisposeoftheassociatedCO,2therepossibilityofcontinuingofmodernenergy.11、Inrecentyears,scientistshavereportedthatsomeuncertainfactorsdisrupttheclimatechange.12、scientificdataprovethatthreatfromozonehavebeenmuchmoredevastatingthanpeoplethoughtatthetimewhentheydecidedtotakeaction.13、Overthenextcenturythetemperaturewillbemorelikelytorisefrom1.4℃to℃accordingtotheestimationofIPCC.14、Theoretically,alltraditionalnaturalandcanstillsatisfythegreatgoalsofdealingwithclimatechange.15、stopped,andthesignsshowthattheozonelayerisrecovering.

答案:PartWriting1、"Thereisn'tanythingnobleaboutbeingsuperiortoanotherTruenobilityisinbeingsuperiortothepersonyouoncewere."Thatmeansmeaninglesscomparisonwithotherpeopleisnotnobility;thetrueoneiscomparingwithoneself.Basedonthis,Ithinkmodestyistruenobility.Peoplehavevariouskindsoflife,sobeingsuperiortoanotherpersonmakesnosense,letbeingnoble.example,ourrespectfulLiuShaoqiofteninteractedwithworkersandfarmers,sayingthatthedifferenceofvariouskindsofworklayindifferenttaskallocations,notinthatoneissuperiortoanother.Althoughhewasinhighauthority,hestillnobelongto.Thisiswhyhehasbeen,uptonow,respectedandcommemoratedbyChinesepeopleandevenpeopleinsomeothercountries.youbeasaMr.know-it-all,youmaybecomeshort-sightedandconceited.Modestyisthesecrettomakeprogress.thatismodestisnecessarilybut、The"Whatyoudoeverydaymattersmorethanwhatyoudoeveryonceinawhile"embodiestheimportanceofperseverance.Perseveranceisthecontinuousefforttodosomethingdespitedifficultiesoropposition.Theapplicationofperseveranceanygoalisbetweenthosewhoaresuccessfulandthosewhofail.thousandsbeforeheinventedlightbulbs.Whenaskedabouthisfailures,Edisonrepliedthat"Theywerenotfailures.Ihavefoundthousandsofwaysthatwon'twork."Whatathought-provokingfromourcansuccessbefarbehind?AsforIperseverance.Firstly,goalbewantbreakgoalSmallertoandgiveofkeepanoptimisticattitude.Itdoesn'tmatterifIfailonceortwice.TheimportantfailureIbelievethatbyeverysuccesswilleventuallycomeourhands.、BetterThreeHoursTooSoonthanaMinuteTooLategoesaaminutetooThesayingisaboutmakingpreparationsaheadoftime,whichIthinkisakeyfactorofSuccess.offeeldon'thavetimetopreparations.Theyarebusyanddon'ttimetoprepareforafamilymember'sbirthday.Theyarebusywithsocialactivitieshavetopreparetest.Asresult,familymemberwouldfeelsadandthepersonthetest.becauseheorshedidn'tmakepreparations.Successdoesn'tcomeatnocost.Everythingyoudorequiresyoureffortinshoppinganddecoratethehouse.Atestrequiresyoutoreviewwhatyouhavelearnedandpracticeyourskills.youwantyoumustpreparationsoftime.、OnAimingHigherThereisfamoussaying,"Whoaimsatexcellencewillbeabovemediocrity;

whomediocritywillambitiousgoalsinordertobesuccessful.theworksingle-mindedlytowardsthetarget.Sometimes,ifthegoalwetrytoachieveisnotchallengingprobablywon'ttakepainsaccomplishit.Butifthetargetisalittleaboveourcapabilities,itwillmotivateustoconstantlymakeprogressandworkhardtowardsit.Ontheotherhand,theaimsmustbereasonablyachievable.Ifwearetooambitiousandforceourselveswillin,thechancesarethatwewillneverbeabletofindawaytorealizeourdreamandwillgiveuphalfway.Therefore,itistruethatweshouldaimhigherwhensettingourgoals,butnottoohightoreach.、MyViewonMajorRankingInrecentyears,itisverypopulartorankmajors.Majorrankinglistsbasedonavarietyofcriteriacanbefoundonsomeeducationalwebsitesornewspapers.Theselistshavegreatinfluenceonstudentsandmanyofthemhavecometorelyontheseliststomaketheirmajor-choicedecisions.Tothisphenomenon,people'sopinionsvaryfromeachother.Somethinkthattheareschoolstudentsamajorfieldofstudy,e.g.,someliststellpeoplewhatmajorswillleadtoSomethatareactuallyuseless.Rankingsareonlyaboutnumbersandtheydonottellyouanythingaboutthedistinctnatureofthemajor.Besides,somemajorsmaymajorswhenwillwhentheygraduate.AsfarI'mconcerned,weshouldnotover-stressranking.Itshouldberememberedthatrankingscanplayabigroleintheselectionofamajorbutitshouldnotbetheonlycriterion.Manyfactorsincludingyourownperceptionofthemajorshouldmatterinyourfinalchoice.PartReading6、C自然段中提及了科學家們認為雖然到040年溫度仍不會表現(xiàn)出太大差異，但是在這之后的0年我們?nèi)匀徊恢朗欠褡隽俗銐虻呐Α?、文章G段首句闡述了氣溫的升高會導致氣候的變化，接下來的兩段具體說明了其