2011届高考英语二轮专题复习课件：第9讲_比较级及倍数表达VIP专享VIP免费

例①Computersandmobilephones,thoughtheyareindeedmakingourlife______andmore______，havereducedtheneedforfacetofacecommunications.A.easily;efficientB.easier;efficientC.easy;efficientlyD.easily;efficiently［解析］考生从______andmore______即可判断前后应该一致，故用形容词的比较级，故第一空用easier；第二空用形容词efficient。B第⑨讲比较级及倍数表达例②Myuncle'shouseinthedowntownareaismuchsmallerthanours,butitistwice______expensive.A.asB.soC.tooD.very［解析］此题考查比较级的省略。原句可补…全为：itistwiceasexpensiveasours。A例③Inancienttimes,peoplerarelytravelledlongdistanceandmostfarmersonlytravelled______thelocalmarket.A.longerthanB.morethanC.asmuchasD.asfaras［解析］从关键词travel,distance可知讨论的是距离问题。句意：古时候，人们很少长途旅行，大部分的农民只走到当地的市场。D例④Ilikethisjacketbetterthanthatone,butitcostsalmostthreetimes______.A.asmuchB.asmanyC.somuchD.somany［解析］考查倍数的表达法。asmuch后省略了moneyasthatonecosts。A例⑤Peter'sjacketlookedjustthesameasJack's,butitcost______his.A.asmuchtwiceasB.twiceasmuchasC.muchastwiceasD.astwicemuchas［解析］与上题相似，也考查倍数。此处用“倍数+as…as…”结构。B1．……(修饰语)+比较级+than…，常见的修饰语是much,alot,agreatdeal,far,even,abit,alittle,any(否定/疑问句中)，具体的数据。HeismuchtallerthanYaoMing.HeisaheadtallerthanYaoMing.2.the+比较级，the+比较级：越……，越……Thesooner,thebetter.比较级3.the+比较级of+两者thetallerofthetwins4.…less+原级+than:……不如Sheislesstallthanhersister.她不如她姐高。5.no+比较级+than=as+该词的反义词+as…………：和一样不Sheisnotallerthanhersister.她和她姐一样不高。(一样矮)比较级1．as+原级+as……像一样2.notas/so+原级+as……不如那样3．as+adj.+a/an+名词+as(………像一样的…)I'veneverseenastallaboyasTom.4．asmuch+a/an+名词+as……和一样是……Musicisasmuchanartaspainting.原级比较as…aspossible……尽可能地asearlyas……早在asfaras………………远至；就，尽asmanyas……多达asmuchas………………多达；和一样是常见as…as结构1.Ais倍数the+表比较内容的名词(size,weight,area,width,length等)ofB2.Ais倍数as+adj.的原级(large,heavy…/many，much<+n.>)+asB3.Ais倍数+adj.的比较级(larger,heavier,more等)+thanB注意：句型3的倍数比句型1、2的倍数要少一倍。常见的倍数的三种表达法①ChristchurchisNewZealand's______cityafterAuckland.A.secondlargeB.secondlargerC.secondlargestD.thesecondlarge［解析］与序数词连用，通常用最高级形式。C②—Didyouenjoyyourselfattheparty?—Yes.I'veneverbeento______onebefore.A.amoreexcitedB.themoreexcitedC.amoreexcitingD.themostexciting［解析］比较级用在否定句中，通常表示肯定的最高级意义。one指代party，自然用exciting修饰。句意：我以前从没去过更令人激动的聚会。(我参加过的这个聚会是最令人激动的。)C③KosenfromTurkeyisthetallestmanintheworld,______.A.246.5cmastallasB.astallas246.5cmC.as246.5cmtallasD.astall246.5cmas［解析］as+原级+as“…………”和一样。B④Ataroughestimate,hemusthavemade______inthepast20years.A.tentimeswhathisparentsearnedB.tentimeswhathisparentshaveearnedC.tentimesasmuchasmoneyhisparentsearnedD.astentimesmuchmoneyashisparentshaveearned［解析］考查倍数，兼考查现在完成时态；通过inthepast20years可以排除A、C;通过倍数的表达公式，可得出B正确。注意what=themoneythat…B⑤Mr.Blackhasnevermetwith______inthepast10years.A.soadifficultproblemB.asdifficultproblemasthisC.suchaproblemasdifficultD.asdifficultaproblemasthis［解析］考查结构：as+adj.+a/an+名词+as。D