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1/5英语倍数1.Thisroomisthreetimesasbigasthatone.三倍大；大两倍Heearnstwiceasmuchasheusedto.他比往常多赚二倍的钱。We'veproducedtwiceasmuchcottonthisyearastenyearsago.今年的棉花比十年前多了一倍。2.Thisroomisthreetimesthesizeofthatroom.三倍大；大两倍Thisriveristhreetimesthedepthofthatone.这条河深度是那条河的三倍。Thepriceofthemeatistwicewhatitwaslastyear.肉价是去年的两倍。InthisworkshoptheoutputofJulywas3.5timesthatofJanuary.七月份的产量是元月份的3.5倍IhavefivetimesthenumberofTom’sbooks.我有五倍于汤姆的书。I’vepaidfivetimestheusualpriceforthestamp.我出了5倍于往常的价格买这枚邮票。3.Thisroomistwicebiggerthanthatroom.大两倍；三倍大Thisstreetisthreetimeswiderthanthatone.这条街比那条街宽三倍。Iamtwiceolderthanhe.我的年纪比他大两倍。还可以用over，morethan等表示“比……倍还要多”。例如：HeismorethanthreetimesasrichasI.他的财富是我的三倍还不止。Iammorethantwiceasoldashe.我的年龄是他的两倍还不止。HestudiesmorethanthreetimesashardasI.他用功的程度是我的三倍还不止。2/5HehascollectedmorethanthreetimesasmanystampsasI.他搜集的邮票是我的三倍还不止。使用more...than比较级的例句：Heearnsfivetimesmoremoneythanhedidtenyearsago.他现在挣的钱比十年前挣的多5倍。Therearetwicemorestudentsinourclassthanintheirs.我们班的学生人数比他们班多两倍。比较级也可使用分数、小数等数字。例如：Theboxisone-thirdbiggerthanthatone.这个盒子比那个盒子大三分之一。Lastyeartheoutputvalueofindustrywas59percenthigherthanthatof1976.去年工业产值比1976年增长了59％。MycommandofEnglishisnothalfsogoodasyours.我英语掌握得还不及你的一半儿好。英语中有些词表示特定的倍数，例如：again(一倍),twice,double(两倍),triple(三倍),fourfold(四倍)等数。MyAuntisasoldagainasIam.我姑姑的年龄比我大一倍。Thetop-brandclothesareoftensoldasdoublethenormalpricehere.售价经常比正常的售价高一倍。Thenewworkproceduretripledtheoutput.新工艺使产量增加两倍。Theoutputofgrainincreasedfourfold.粮食产量增加了三倍。使用by,comparedwith等Comparedwithlastyear,ourcoaloutputhasincreasedbythreetimes.与去年相比，我们的煤产量增长了3倍。3/5Thenumberofthestudentsinourschoolhasincreasedfourtimescomparedwith1980.我们学校的学生人数比1980年增加了3倍。ThepriceofTVsaretwofolddownovertheseyears.近几年来，电视机的价格下降了两倍。Practice.1.Americanseat________vegetablesperpersontodayastheydidin1910.A.morethantwiceB.astwiceasmanyC.twiceasmanyasD.morethantwiceasmany2.Paperproducedeveryyearis_______theworld'sproductionofvehicles.A.thethreeweightofB.threetimestheweightofC.asthreetimesheavyasD.threetimesasheavieras3.WiththehelpoftheGermanexperts，thefactoryproduced______carsin1993astheyearbefore.A.astwicemanyB.asmanytwiceC.twiceasmanyD.twicemanyas4.Thisshipmeasures________thatone.A.astwiceaslongB.astwicelongasC.twicelongasD.twiceaslongas5.Afterthenewtechniquewasintroduced,thefactoryproduced_______tractorsin1988astheyearbefore.A.astwicemanyB.asmanyasC.astwiceasmanyD.twiceasmany4/5DBCDDA）根据第一句,完成第二、三句,每空填一词,使句意不变。1.Thisriveristhreetimesaswideasthatone.Thisriveris______timesthe_______ofthatone.Thisriveris_______________thanthatone.2.Themeetingroomisthreetimesbiggerthanouroffice.Themeetingroomis__________timesas__________asouroffice.Themeetingroomis__________timesthe__________ofouroffice.3.Thenewbuildingisfivetimestheheightoftheoldone.Thenewbuildingis__________timesas__________astheoldone.Thenewbuildingis__________times__________thantheoldone.A）1.three,width;twicewider2.four,big;four,size3.five,high;four,higherB）把下列句子译成汉语。1.一米是一英尺的三倍多。___________________________________________________________2.现在我们家乡学校的数量比解放前增加了四倍。___________________________________________________________3.北京有我家乡城市的十个那么大。___________________________________________________________4.这个房子是那个房子的两倍大。___________________________________________________________5.早稻产量比去年提高百分之二十五。5/5___________________________________________________________答案:B）1.Ameteris3timesmorethan（...is3timesthelengthof）afoot.2.Therearenowfivetimesasmanyschoolsinmyhometownasbefore1949.3.Beijingistentimesasbigas（ninetimeslargerthan／tentimesthesizeof）myhometown.4.Thishouseistwiceaslargeasthatone.5.Theoutputofearlyriceis25％theheightoflastyear's.