雅思新版task1范文(改良版).doc

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1、Youshouldspendabout20minutesonthistask.ThetwographsshowthemainsourcesofenergyintheUSAinthe1980sandthe1990s.Writeareportforauniversitylecturerdescribingthechangeswhichoccurred.Writeatleast150words.modelanswer:ThetwographsshowthatoilwasthemajorenergysourceintheUSAinboth1980and1990andthatcoal,n

2、aturalgasandhydroelectricpowerremainedinmuchthesameproportions.Ontheotherhand,therewasadramaticriseinnuclearpower,whichdoubleditspercentageoverthetenyears.Oilsuppliedthelargestpercentageofenergy,althoughthepercentagedecreasedfrom42%in1980to33%in1990.Naturalgas,thesecondlargestsourcein1980at2

3、6%,decreaseditsshareveryslightlytoprovide25%ofAmerica’senergytenyearslater.Therewasnochangeinthepercentagesuppliedbyhydroelectricpowerwhichremainedat5%ofthetotalenergyused.Nuclearpowerthegreatestchange:in1990itwas10%,twicethatofthe1980.Youshouldspendabout20minutesonthistask.Thegraphbelowshow

4、sthedifferencesinwheatexportsoverthreedifferentareas.Writeareportforauniversitylecturerdescribingtheinformationshownbelow.Writeatleast150words.modelanswer:Thethreegraphsofwheatexportseachshowaquitedifferentpatternbetween1985and1990.ExportsfromAustraliadeclinedoverthefive-yearperiod,whiletheC

5、anadianmarketfluctuatedconsiderably,andtheEuropeanCommunityshowedanincrease.In1985,Australiaexportedabout15millionsoftonnesofwheatandthefollowingyearthenumberincreasedbyonemilliontonnesto16million.Afterthat,however,therewasagradualdeclineuntil1989and1990whenitstabilisedatabout11milliontonnes

6、.Overthesameperiod,theamountofCanadianexportsvariedgreatly.Itstartedat19milliontonnesin1985,reachedapeakin1988of24million,droppeddramaticallyin1989to14milliontonnesandthenclimbedbackto19millionin1990.SeventeenmilliontonneswereexportedfromtheEuropeanCommunityin1985,butthisdecreasedto14million

7、tonnesin1986andthenroseto15millionin1987and1988beforeincreasingoncemoreto20millionin1990.Youshouldspendabout20minutesonthistask.ThetablebelowgivesinformationaboutFavoritePastimesindifferentcountries.Summarizetheinformationbyselectingandreportingthe