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特点•静态数据（百分比或数字）•除了最大最小的，还有互相成倍的,一样的饼状图PieChart写作步骤•先审题，在看图•几张饼，几种馅•哪个馅儿多，哪个馅儿少•数字，比率整体+局部•ThefollowingtwopiechartsillustratetheenergyuseintheU.S.A.•Writeareportforauniversitylecturerdescribingtheinformationgiveninthepiechartsbelow.P1•ThefollowingtwopiechartsillustratetheenergyuseintheU.S.A.•ThetwopiechartsdescribethedataoftheenergyuseandtheresidentialenergyuseindetailintheUnitedStates.P2•Itcanbeseenfromthefirstpiechartthattheenergyisusedforfourpurposes.•Specifically,industryaccountsforthelargestproportion(41%)oftheusedenergywhiledemandoftransportationmakesup26%ofthetotalneedofenergy.•TheResidentialandcommercialrepresent19%and14%respectively.P3•Accordingtothesecondpiechart,itclearlyshowsthatheatingandairconditioningaccountforthelargestproportion(62%)intheresidentialenergyusewhilethesmallappliancesmakesuptheleastproportion(10%).•Theheatingwaterandmiscellaneous(includingcooking)constitutes15%and13%respectively.P4•Fromthechart,wemayhaveabasicunderstandingofthesituationofenergyuseintheUnitedStates.ABC比较•Thegraphsbelowshowtheannualexpenditureofuniversitystudentsinthreecountriesin2003.P1•Thethreepiechartsshowhowuniversitystudentsinthreecountriesspenttheirmoneyintheyear2003.P2•Ingeneral,studentsincountryAspentslightlymorethanthoseincountryB(US$5000andUS$4500respectively).Incomparison,studentexpenditureincountryCwasconsiderablylower,atonlyUS$1500peryear.•比较总体P3•Accommodationandfoodwerethetwobiggestitemsofexpenditure.Altogethertheyconstitutedaround60%ofthetotalstudents’expenditureinallthethreecountries.•ThedifferenceisthatincountryAandBaccommodationspendingexceededfoodspending,whilethereversewastrueforcountryC.•比较较大/最大P4•Therestofthestudents’spendingwasdividedamongleisure,booksandothers.•Leisurespendingconstitutedalargerpercentage(around20%)ofstudentexpenditureinbothcountryAandcountryB,whileincountryCmoremoneywasspentonbooks(21%)thanonleisure(12%).•比较较小/最小P5•Overall,aswealthdecreased,thepercentageofstudents'spendingonnon-essentialwentdown.•总结一个趋势时间变化•ThepiechartsbelowshowunitsofelectricityproductionbyfuelsourceinAustraliaandFrancein1980and2000.Summarizetheinformationbyselectingandreportingthemainfeatures,andmakecomparisonswhererelevant.剑7P101P1•ThechartscomparethesourcesofelectricityinAustraliaandFranceintheyears1980and2000.•Betweentheseyearselectricityproductionalmostdoubled,risingfrom100unitsto170inAustralia,andfrom90to180unitsinFrance.•三倍triple四倍quadruplen/adj/v•fourfoldadj/advP2•In1980Australiausedcoalasthemainelectricitysource(50units)andtheremainderwasproducedfromnaturalgas,hydropower(eachproducing20units)andoil(whichproducedonly10units).•By2000,coalhadbecomethefuelformorethan75%ofelectricityproducedandonlyhydrocontinuedtobeanothersignificantsourcesupplyingapproximately20%.P3•Incontrast,Franceusedcoalasasourceforonly25unitsofelectricityin1980,whichwasmatchedbynaturalgas.•Theremaining40unitswereproducedlargelyfromoilandnuclearpower,withhydrocontributingonly5units.•Butby2000nuclearpower,whichwasnotusedatallinAustralia,haddevelopedintothemainsource,producingalmost75%ofelectricity,at126units,whilecoalandoiltogetherproducedonly50units.Othersourceswerenolongersignificant.P4•Overall,itisclearthatby2000thesetwocountriesreliedondifferentprincipalfuelsources:AustraliareliedoncoalandFranceonnuclearpower.饼状图表达•AtakesupX%oftotalmakesup/accountfor/constitute/comprise/represent/contribute•Itcanbeseenfrom/Accordingtothepiechart,itclearlyshows•main=significant/principal•Therest=theremainder/theremaining•Bematchby=besimilarto/beequalwith/sharethesamepercentageat90%倍数的表达A是B的X倍王力宏的眼睛是周杰伦的三倍•倍数+thatof+名词•Leehom’seyesarethreetimesthatofJay•倍数+as...asLeehom’seyesarethreetimesaslargeasJay•倍数+比较级+thanLeehom’seyesaretwotimeslargerthanJay练习•女生的数量大约是男生的三倍•Thenumberofgirlsisabout3timesthatofboys•Thenumberofgirlsisabout3timesashighasboys•Thenumberofgirlsisabouttwicehigherthanboys