2011届高考英语二轮专题复习课件：第9讲 比较级及倍数.ppt

,例Computersandmobilephones,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,第讲比较级及倍数表达,例Myuncleshouseinthedowntownareaismuchsmallerthanours,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Inancienttimes,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Ilikethisjacketbetterthanthatone,butitcostsalmostthreetimes_.A.asmuchB.asmanyC.somuchD.somany,解析考查倍数的表达法。asmuch后省略了moneyasthatonecosts。,A,例PetersjacketlookedjustthesameasJacks,butitcost_his.A.asmuchtwiceasB.twiceasmuchasC.muchastwiceasD.astwicemuchas,解析与上题相似，也考查倍数。此处用“倍数+asas”结构。,B,1(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,1as+原级+as像一样2.notas/so+原级+as不如那样3as+adj.+a/an+名词+as(像一样的)IveneverseenastallaboyasTom.4asmuch+a/an+名词+as和一样是Musicisasmuchanartaspainting.,原级比较,asaspossible尽可能地asearlyas早在asfaras远至；就，尽asmanyas多达asmuchas多达；和一样是,常见asas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)+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,ChristchurchisNewZealands_cityafterAuckland.A.secondlargeB.secondlargerC.secondlargestD.thesecondlarge,解析与序数词连用，通常用最高级形式。,C,Didyouenjoyyourselfattheparty?Yes.Iveneverbeento_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。),C,KosenfromTurkeyisthetallestmanintheworld,_.A.246.5cmastallasB.astallas246.5cmC.as246.5cmtallasD.astall246.5cmas,解析as+原级+as“和一样”。,B,Ataroughestimate,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,B,Mr.Blackhasnevermetwith_inthepast10years.A.