倍数表达法及练习题答案

倍数表达法及练习题一、选择题1.下列哪个句子使用了倍数表达法？A.Thepriceofthiswatchisthreetimesthatoftheotherone.B.Thepriceofthiswatchischeaperthantheotherone.C.Thepriceofthiswatchishalfthepriceoftheotherone.D.Thepriceofthiswatchisthesameastheotherone.A.Thisnumberisfourtimeslargerthanthatone.B.Thisnumberisfourtimesasmuchasthatone.C.Thisnumberisfourtimesmorethanthatone.D.Thisnumberisfourtimesthesizeofthatone.3.下列哪个句子表示“今年的产量是去年的两倍”？A.Thisyear'soutputistwiceasmuchasthatoflastyear.B.Thisyear'soutputistwicemorethanthatoflastyear.C.Thisyear'soutputistwicelargerthanthatoflastyear.D.Thisyear'soutputistwicethesizeoflastyear.二、填空题1.ThepopulationofCityAis________(三倍)thatofCityB.2.Thenewstadiumcanhold________(五倍)asmanypeopleastheoldone.3.TheareaofSquareBis________(四分之一)theareaofSquareA.三、改写句子1.Ourschoolhastwiceasmanystudentsastheirs.（改为倍数表达法）2.Theheightofthenewbuildingis30metersmorethanthatoftheoldone.（改为倍数表达法）3.Thepriceofthelaptopis50%lessthanthatofthetablet.（改为倍数表达法）四、翻译题1.这辆汽车的速度是那辆汽车的两倍。2.这个公园的面积是那个公园面积的三分之一。3.今年我们的销售额是去年的1.5倍。续倍数表达法及练习题五、完形填空题根据上下文，选择合适的倍数表达法填空。Tom'sgardenislargerthanMike's.Infact,thesizeofTom'sgardenis(1)________thesizeofMike's.IfMike'sgardenis200squaremeters,thenTom'sgardenis(2)________squaremeters.(1)A.twiceaslargeasB.twicelargerthanC.halfaslargeasD.halflargerthan(2)A.200B.400C.600D.800六、阅读理解题阅读下面的短文，然后回答问题。A.TwiceasmuchB.50%moreC.1.5timesD.3times2.Ifthemarketingdepartment'splansucceeds,whatwillbethesalesfornextyear?A.$4.5millionB.$5millionC.$6millionD.$7million七、句子排序题将下列句子按照倍数表达法的正确顺序排列。1.TheoutputofFactoryXhasdoubledinthelastfiveyears.2.Thenewfactoryisthreetimesthesizeoftheoldone.3.Theheightofthenewskyscraperistwiceashighastheoldone.4.Thecostoflivinghasincreased20%,whichmeansitisnow1.2timesthepreviouslevel.正确的顺序是：_______八、综合运用题1.Theareaofthenewcampusis__________(六倍)theareaoftheoldcampus.3.Thevolumeofthecontaineris__________(1.25倍)thevolumeofthebarrel.4.Thenewpolicyhasledtoa25%decreaseincrimerates,whichmeansthecurrentcrimerateis__________(原率的75%)ofthepreviousrate.答案一、选择题1.A2.D3.A二、填空题1.threetimes2.fivetimesasmany3.aquarter(onefourth)三、改写句子1.Ourschoolhastwicethenumberofstudentsastheirs.2.Theheightofthenewbuildingistwicetheheightoftheoldone.3.Thepriceofthelaptopishalfthepriceofthetablet.四、翻译题1.Thespeedofthiscaristwicethatoftheothercar.2.Theareaofthisparkisathirdoftheareaofthatpark.3.Oursalesthisyea