课时训练(二十一)Units13—14(九全)(限时:30分钟)Ⅰ.单项填空1.—Willyoufixupthemachineaccordingtothe,Judy?—Noproblem.A.inventionsB.invitationsC.instructionsD.interviews2.[2017·眉山]—Howmanydoctorsarethereinyourhospital,David?—themoveronehundred.A.woman;Thenumberof;isB.women;Anumberof;areC.woman;Anumberof;isD.women;Thenumberof;is3.WespendasmuchtimeaswecanEnglish.A.readB.toreadC.readingD.haveread4.[2018·天津]Iamafraidwecannottotakeataxi.Let’sgobyundergroundinstead.A.refuseB.affordC.forgetD.fall5.—WhatdoyouknowabouttheHongKong-Zhuhai-MacaoBridge,Rose?—It’stheworld’slongestseabridge,anditChinesepeopleabouteightyearstobuildit.A.costB.paidC.tookD.spent6.You’dbettertheworkersintotwogroupstodothework.A.divideB.changeC.makeD.turn7.Tony,rememberwithyourmouthfulloffood.A.totalkB.nottotalkC.talkingD.talks8.—Whoisyourfavoritesinger,Mike?—TFBOYS.Theyareveryboysandgirls.A.proudofB.popularwithC.strictwithD.worriedaboutⅡ.完形填空(i)阅读下面短文,从A、B、C、D四个选项中选出最佳选项。Eachoneofussharesthisplanetwithsevenbillionothers.Andweallneed9.Peopleandproductsneedtomovefromcitytocityandcountrytocountry.However,weallknow10mostcars,motorcycles,boatsandplanescauseairpollution.Theyarealso11.Thisisaseriousprobleminmanycities.12inventorsarecomingupwithcreativeideastotrytoreducethepollutionandnoise.Inmanycitiesaroundtheworld,motorcyclesarevery13.NowVietnamhasaround33millionmotorcyclesandChinahasalmost120million.Motorcyclesareafasterandcheaperwaytogetaroundacitythan14.Yetairpollutionisagrowingproblem.Inlargecities,people15itisdifficulttobreathe.Tosolvetheseproblems,aUScompanydesignedanenvironmentallyfriendlymotorcycle.Ituseselectricityasfuel(燃料).Asaresult,thereis16pollution.It’salsoquietandfast.Thismakes17agoodchoiceforgettingaroundacity.TheItaliancityofVeniceisacitywithonlyafew18.Therearenocarsinthecitycenter.19cars,watertaxisandbusescarrypeoplealongthecity’scanals(运河).However,theycausepollution,20tothewater.EnglishengineersDickandJemdesignedasolar-powered(太阳能)watertaxi.Thewatertaxi21runforadayafterbeingrecharged(充电).Planesalsocauseairandnoisepollution.Designinganenvironmentallyfriendlyairplaneisareal22.Someairplanecompanieshave23tosolvetheproblems.Swissengineershavegoneonestepfurther.Theydevelopedasolarairplane.Thisplaneholdstheworldrecordforthelongestsolar-poweredflight—1,541kilometersfromArizonatoTexasinAmerica.9.A.airB.foodC.transportationD.communication10.A.howB.whyC.whenD.that11.A.noisyB.dirtyC.fastD.expensive12.A.SinceB.SoC.BecauseD.Although13.A.popularB.valuableC.dangerousD.safe14.A.bikesB.subwaysC.busesD.cars15.A.explainB.complainC.doubtD.promise16.A.muchB.someC.noD.more17.A.themB.youC.usD.it18.A.riversB.roadsC.touristsD.people19.A.InsteadofB.ThankstoC.BecauseofD.Asfor20.A.probablyB.onlyC.especiallyD.hardly21.A.mustB.canC.shouldD.need22.A.questionB.jobC.decisionD.challenge23.A.disagreedB.refusedC.startedD.remembered(ii)阅读下面短文,用方框中所给词的适当形式填空。for,learn,purpose,help,always,skill,easy,warn,if,theyTherearemoreandmoreelectronicproductslikesmartphonesinourlife.However,doctorshave24.thatchildrenarefindingithardtoholdpencilsbecauseoftoomuchuseofelectronicproducts.“Toomuchuseofsmartphonesisstoppingchildren’sfingermuscles(肌肉)fromdeveloping.Itmakes25.unabletoholdapencilcorrectly,”theysaid.“Childrenaregivenapencil,buttheyarenotabletoholdit26.theydo...