英语中倍数的常用表达方式

英语中倍数的常用表达方式英语中倍数的常用表达方式英语中倍数的常用表达方式英语中倍数的常用表达方式编制仅供参考审核批准生效日期地址：电话：传真:邮编:英语中“倍数”的常用表达方式一、用times表示倍数（一般限于包括基数在内三倍或三倍以上的数。表示两倍的数，一般用twice）。其句式有：(前三种为主)1.“…times＋形容词/副词的比较级＋than…”例如：LineABisthreetimeslongerthanlineCD.线段AB是（线段）CD的三倍长。Thishallisfivetimesbiggerthanourclassroom.这个大厅比我们的教室大5倍。Thisropeistwicelongerthanthatone．Thishallisfivetimesbiggerthanourclassroom．Thecarrunstwicefasterthanthattruck．2.“…times+as+形容词/副词的原级＋as…”例如：Thistableisthreetimesaslongasthatone.这张桌子是那张桌子的三倍长。Thisdictionaryisfivetimesasthickastheoneyouborrowedfromthelibrary.这本词典的厚度是你从图书馆借的那本（厚度）的5倍。AsiaisfourtimesaslargeasEurope亚洲的面积是欧洲的四倍。

Thisbigstoneisthreetimesasheavyasthatone．这块大石头的重量是那一块的三倍。（这块石头比那块重二倍）

Theplaneflewtentimesashighasthekite．那架飞机飞行高度是那个风筝的十倍。（高出九倍）3.“…times+the+名词（如：size，height，weight，length，width,age等）＋of…”例如：Theearthis49timesthesizeofthemoon.地球的体积是月球的49倍。Thisriveristhreetimesthedepthofthatone.这条河是那条河的三倍深。Thisstreetisfourtimesthelengthofthatstreet.这条街是那条街的四倍长。

Thishillisfourtimestheheightofthatsmallone．这座山的高度是那座小山的四倍。（比那座小山高三倍）4.“…times+more＋名词＋than…”例如：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。5.“…times+asmany（或much）＋名词＋as…”例如：We'veproducedtwiceasmuchcottonthisyearas（wedid）tenyearsago.今年我们生产的棉花比十年前多了一倍。（汉语中的多一倍实际上也指两倍一样多。）Hehasgotthreetimesasmanybooksashissister.他拥有的书的数量是他妹妹的3倍。6.“…times+what从句”例如：Thelengthoftheroadisfourtimeswhatitwasthreeyearsago.这条路的长度是三年前的4倍。Thepriceofthemeatistwicewhatitwaslastyear.肉价是去年的两倍。7.“…times+upon（或over）…”例如：Thesizeofthesunisamilliontimesoverthatoftheearth.太阳的体积比地球的体积大一百万倍。Heisthreetimesuponyourage.他的年龄是你的4倍（或：比你的年龄大3倍）。8.“…+by+…times”例如：Comparedwithlastyear，ourcoaloutputhasincreasedbythreetimes.与去年相比，我们的煤产量增长了3倍。Hisspeedisfasterthanminebyfourtimes.他的速度比我的快4倍。9.“…times+comparedwith＋被比较对象”例如：Thenumberofthestudentsinourschoolhasincreasedfourtimescomparedwith1980.我们学校的学生人数比1980年增加了4倍。10.“…times+thatof+被比较对象”例如：InthisworkshoptheoutputofJulywasthreetimesthatofJanuary.这个车间七月份的产量是元月份的3倍。二、用分数、百分数表示倍数。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。三、用again（一倍），double（两倍），triple（三倍），fourfold（四倍）等词表示倍数。例如：MyAuntisasoldagainasIam.我姑姑的年龄比我大一倍。Thetop-brandclothesareoftensoldasdoublethenormalpricehere.这里名牌衣服的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。［巩固练习］1.（2002上海春）Americanseat________vegetablesperpersontodayastheydidin1910.A.morethantwiceB.astwiceasmanyC.twiceasmanyasD.morethantwiceasmany2.（1998上海）Paperproducedeveryyearis_______theworld'sproductionofvehicles.A.thethreeweightofB.threetimestheweightofC.asthreetimesheavyasD.threetimesasheavieras(heavier应改为原级)3.（1994上海）WiththehelpoftheGermanexperts，thefactoryproduced______carsin1993astheyearbefore.A.astwicemanyB.asmanytwiceC.twiceasmanyD.twicemanyas4.（MET1992）Thisshipmeasures________thatone.A.astwiceaslongB.astwicelongasC.twicelongasD.twiceaslongas5.（MET1990）Afterthenewtechniquewasintroduced，thefactoryproduced_______tractorsin1988astheyearbefore.A.astwicemanyB.asmanyasC.astwiceasmanyD.twiceasmanyKey：1－5DBCDD6.ItisreportedthattheUnitedStatesuses________energyasthewholeofA.astwiceB.twicemuchC.twicemuchasD.twiceasmuch答案是D7.Thehouserentisexpensive,I’vegotabouthalfthespaceIhadathomeandI’mpaying________here.(上海卷)A.asthreetimesmuch B.asmuchthreetimes C.muchasthreetimes D.threetimesasmuch【分析】答案选D。倍数threetimes要放在as的前面，后面省略asIpaidathome。8.WiththehelpoftheGermanexperts,thefactoryproduced________carsin1993astheyearbefore.(上海卷)A.astwicemany B.asmanyastwiceC.astwiceasmany D.twiceasmany【分析】答案选D。倍数放在as之前。此题与全国卷曾考过的一题几乎一样：9.Thehouserentisexpensive.I'vegotabouthalfthespaceIhadathomeandI'mpaying_______here.（2003上海）A.asthreetimesmuchB.asmuchthreetimesC.muchasthreetimesD.threetimesasmuch该题的正确答案为D.显然本题是在考查倍数的表达法。例句1.“A+be+倍数+as+计量形容词原级+as+B”。Thistreeisthreetimesastallasthatone.这棵树是那棵树的三倍高。Hisfatheristwiceasoldashe.他父亲的年纪有他两倍大。2.“A+be+倍数+计量形容词比较级+than+B”TheYangtzeRiverisalmosttwicelongerthanthePearlRiver长江差不多比珠江长两倍。Thedictionaryisexactlyfivetimesmoreexpensivethanthatone.这本字典比那本恰好贵5倍。3.“A+be+倍数+the+计量名词+of+B”Thenewlybroadenedsquareidfourtimesthesizeofthepreviousone.新扩建的广场是未扩建时的四倍大。4.“The+计量名词+of+A+be+倍数+that+of+B”Thesizeofthenewlybroadenedsquareisfourtimesthatofthepreviousone.新扩建的广场为以前的四倍大。5.其它I‘mtwice/doublehisage.我的年龄是他的两倍。I‘vepaidfivetimestheusualpriceforthestamp.我出了5倍于往常的价格买这枚邮票。Theaverageincomeofthestaffhasbeenincreasedby50percentcomparedwithlastyear.与去年相比，该单位职工的收入增加了50%.ThepriceofTVsaretwofold（adj.两部分的，双重的）downovertheseyears.近几年来，电视机的价格下降了两倍。Iammorethantwiceasoldashe.我的年龄是他的两倍还不止。I'veseenthisfilmtwice.这部影片我已经看过两次了。HestudiesmorethanthreetimesashardasI.他用功的程度是我的三倍还不止。IhavefivetimesthenumberofTom'sbooks.我有五倍于汤姆的书。HehascollectedmorethanthreetimesasmanystampsasI(have).他收集的邮票是我的三倍还不止。tentimesasbig十倍大的HehadclassedtheWhiteMouseasofnoaccount,anditpaidtwentytimesasmuchastheTranscontinentalandalsohadpaidonacceptance.他原把《白鼠》看得一文不值，可是他出的稿费却比《横贯大陆月刊》要大二十倍，而且一接受就付钱。Apenny,worthfiftytimesasmuchasasovereign,wassomethingtoretainandtreasure.必须保存和珍视便士，因为一枚便士抵得上五十枚金币。ItdischargesthreetimesasmuchwaterastheSt.Lawrnce.它流出的水量有圣罗伦斯河的三倍那么多。thechimph