TPO27 综合+独立写作 听力材料 范文.pdf

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1、TPO27IntegratedWritingjiangxjamesLectureUnfortunately,theargumentsofthereadingpassagearealittleoutofdate.ScientistsnowhavenewinformationthatshowsthatnoneoftheideasthereadingpassagediscussescouldaccountfortheLittleIceAge.First,abouttheGulfStream.ScientistsnowknowthatdisruptingtheGulfStream

2、wouldcausecoolingonlyinEuropeandNorthAmerica,buttheLittleIceAgealsoaffectedtheSouthernhemisphere,inplaceslikeNewZealandandSouthAfricaforexample.SincethedisruptionoftheGulfStreamcannotexplainwhythesesouthernareasbecamecolder,itcannotexplaintheLittleIceAge.Second,thevolcanoestheory.It’strue

3、thatifvolcaniceruptionsputenoughdustintotheatmosphere,theresultcanbeacoolerclimate.Butlargeamountsofvolcanicdustintheatmospherewouldhavealsoproducedstrikingvisualeffectthatpeoplewouldhavenoticedatthetime.Forexample,dramaticallycolorfulsunsetsorsnowbeinggreyorbrowninsteadofwhite.Buttherear

4、ealmostnoreportsofanythinglikethatroutinelyhappeningduringtheLittleIceAge.Soitseemsthatthevolcaniceruptionsduringthatperiodweresimplynotstrongenoughtoreleasethelargeamountsofdustneededtolowerglobaltemperatures.Third,aboutforestsonfarmlandstoppingthewarminggreenhouseeffectbyremovingcarbond

5、ioxide.Therejustwasnotenoughtimeforthiseffecttowork.Thehumanpopulationgrewbacktopreviouslevelsfairlyquickly,whichmeantthatforestsweresoonbeingcutdownagaintoclearfieldsforthecropsneededtofeedthegrowingpopulation.Asaresult,weknowthattheforestsmentionedinthereadingpassagewerenottherelongenou

6、ghtocausethelong-termglobalcoolingoftheclimate.1综合写作范文Inthereadingpassage,theauthorclaimsthatthecauseoftheLittleIceAgewasduetothreemainreasons.Thelecturer,however,reputesthewriter’sopiniononebyonewithstrongarguments.Firstly,thepassagearguesthattheGulfStreamformedinthepreviouswarmperiodwas

7、responsiblefortheappearanceoftheunexpectedLittleIceAge.Yet,thespeakerarguesthattheso-calledGulfStreamonlycontributedtothecoolingweatherinNorthernhemispherewhileLittleIceAgetookplaceallovertheworld.Thus,globalLittleIceAgecannotbeattributedtotheGulfStreaminpartsofthep