考点15倍数表达法难点自测难点诠释典型例题疑难突破即时突破难点自测It’ssaidthatthepowerplantisnow___largeaswhatitwas.[2013.安徽]A.twiceasB.astwiceC.twicemuchD.muchtwiceA。考查倍数表达法。句意:据说这个发电厂现在是以前的两倍大。倍数表达法有多种,此处考查的是“倍数词+as…as”结构,故选A。◆◆◆◆难点诠释两倍用twice,3倍或3倍以上用…times。倍数表达方式有:…times+形容词/副词的比较级+than…Thisstreetisthreetimeswiderthanthatone.这条街比那条街宽3倍。…times+as+形容词/副词的原级+as…Thisdictionaryisfivetimesasthickastheoneyouborrowedfromthelibrary.这本词典的厚度是你从图书馆借的那本的5倍。◆◆难点诠释两倍用twice,3倍或3倍以上用…times。倍数表达方式有:…times+the+名词(如:height,weight,length,size,width等)+of…Thisriveristhreetimesthedepthofthatone.这条河的深度是那条河的3倍。…times+more+名词+than…Heearnsfivetimesmoremoneythanhedidtenyearsago.他现在挣的钱比十年前挣的多5倍。难点诠释两倍用twice,3倍或3倍以上用…times。倍数表达方式有:…times+asmany(或much)+名词+as…Shespenthalfasmuchmoneyasyou.她花掉的钱是你花掉的一半。…times+what从句Thelengthoftheroadisfourtimeswhatitwasthreeyearsago.这条路的长度是三年前的4倍。◆◆难点诠释两倍用twice,3倍或3倍以上用…times。倍数表达方式有:…+by+…timesComparedwithlastyear,ourcoaloutputhasincreasedbythreetimes.与去年相比,我们的煤产量增长了3倍。…times+upon(或over)Thesizeofthesunisamilliontimesoverthatoftheearth.太阳的体积比地球的体积大一百万倍。◆◆难点诠释两倍用twice,3倍或3倍以上用…times。倍数表达方式有:…times+upon(或over)Thesizeofthesunisamilliontimesoverthatoftheearth.太阳的体积比地球的体积大一百万倍。…+by+…timesComparedwithlastyear,ourcoaloutputhasincreasedbythreetimes.与去年相比,我们的煤产量增长了3倍。◆◆倍数用法秘诀倍数表达靠前站,原级比较跟后面;假如倍后连名词;名词前面用定冠。难点诠释两倍用twice,3倍或3倍以上用…times。倍数表达方式有:…times+thatof+被比较对象InthisfactorytheoutputofJulywas3.5timesthatofJanuary.这家工厂七月份的产量是元月份的3.5倍。◆◆Thisrestaurantwasn’t______thatrestaurantwewentto.A.halfasgoodasB.ashalfgoodasC.asgoodashalfD.goodashalfas典型例题A。这家饭店还不如我们以前去的那家饭店的一半好。本句所用到的倍数表达法的结构是“倍数词+as…as…”。在此结构中,应把倍数放在as…as的前面,故A项正确。◆◆疑难突破高考中“倍数表达法”的考查点:一是“倍数表达法”中的比较结构;二是“倍数表达法”中的“倍数”的位置。要解答好此类题目,考生要牢记“倍数表达法”的三种结构,做题时一定要注意无论用哪种结构,“倍数”总是放在最前面。◆◆即时突破It’sreportedthatpeopleeat___vegetablesperpersontodayastheydidtenyearsago.A.astwicemanyB.astwiceasmanyC.TwiceasmanyasD.twiceasmanyD。此处考查的是“倍数+as+many+名词+as…”结构,故A、B两项错误。题干中已有第二个as,故C项错误。◆◆即时突破Theporkpriceishigh.I’vegotabouthalftheamountIhadathomeandI’mpaying__here.A.asthreetimesmuchB.asmuchthreetimesC.threetimesasmuchD.muchasthreetimesC。本题是对“倍数词+as…as…”结构的考查。这里的猪肉价格高。我买的肉大约是在国内购买量的一半,在这里却要付出三倍的钱。◆◆