英语中“倍数”的表达方式归纳

英语中“倍数”的表达方式归纳倍数英语中“倍数”的表达方式归纳Thehouserentisexpensive.I'vegotabouthalfthespaceIhadathomeandI'mpaying_______here.A.asthreetimesmuchB.asmuchthreetimesC.muchasthreetimesD.threetimesasmuch正确答案为D倍英语中“倍数”的表达方式归纳数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：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。LineABislong.LineABislongerthanlineCD.LineABisthreetimeslongerthanlineCD.Thishallbig.Thishallbiggerthanourclassroom.Thishallisfivetimesbiggerthanourclassroom.倍英语中“倍数”的表达方式归纳数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。Thistableislong.Thistableisaslongasthatone(is).Thistableisthreetimesaslongasthatone(is).Thisdictionarythick.Thisdictionaryisasthickasthatone(is).Thisdictionaryisfivetimesasthickasthatone(is).Thisdictionaryisfivetimesasthickastheoneyouborrowedfromthelibrary(is).倍英语中“倍数”的表达方式归纳数3.“…times+the+名词（如：size，height，weight，length，width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。倍英语中“倍数”的表达方式归纳数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。倍英语中“倍数”的表达方式归纳数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。We‘veproducedmuchcottonthisyearWe‘veproducedasmuchcottonthisyearas（wedid）tenyearsago.We‘veproducedtwiceasmuchcottonthisyearas（wedid）tenyearsago.Hehasgotmanybooks.Hehasgotasmanybooksashissister(has).Hehasgotthreetimesasmanybooksashissister(has).倍英语中“倍数”的表达方式归纳数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。倍英语中“倍数”的表达方式归纳数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）。倍英语中“倍数”的表达方式归纳数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。倍英语中“倍数”的表达方式归纳数9.“…times+comparedwith＋被比较对象”例如：Thenumberofthestudentsinourschoolhasincreasedthreetimescomparedwith1980.我们学校的学生人数比1980年增加了3倍。倍英语中“倍数”的表达方式归纳数10.“…times+thatof+被比较对象”例如：InthisworkshoptheoutputofJulywas3.5timesthatofJanuary.这个车间七月份的产量是元月份的3.5倍。倍英语中“倍数”的表达方式归纳数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。倍英语中“倍数”的表达方式归纳数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］Americanseat________vegetablesperpersontodayastheydidin1910.A.morethantwiceB.astwiceasmanyC.twiceasmanyasD.morethantwiceasmanyKey：D［巩固练习］Paperproducedeveryyearis_______theworld'sproductionofvehicles.A.thethreeweightofB.threetimestheweightofC.asthreetimesheavyasD.threetimesasheavierasKey：B［巩固练习］WiththehelpoftheGermanexperts，thefactoryproduced______carsin1993astheyearbefore.A.astwicemanyB.asmanytwiceC.twiceasmanyD.twicemanyasKey：C［巩固练习］Thisshipmeasures________thatone.A.astwiceaslongB.astwicelongasC.twicelongasD.twiceaslongasKey：D［巩固练习］Afterthenewtechniquewasintroduced，thefactoryproduced_______tractorsin1988astheyearbeforeA.astwicemanyB.asmanyasC.astwiceasmanyD.twiceasmanyKey：D