一、单项选择。()1.TheairinBeijingisgettingmuchnowthanafewyearsago.A.clean(B.cleanerC.cleanestD.thecleanest)2.Nowadaysnovelsaren’tasA.popularascartoonsamongteenagers.C.lesspopularD.themostpopularB.morepopular()3.WearegladtoseethatShanghaiisdeveloping(发展)theseyearsthaneverbefore.A.quicklyB.lessquicklyC.morequicklyD.themostquickly()4.Withoutmedicine(药),Jerryhasgot.A.worseB.wellC.goodD.badly()5.Mymotherisno_______young.A.shorterB.littleC.longerD.few()6.JimdidquiteA.better,wellattheexamination,butJackdidevenB.well,wellC.well,better.D.better,better()7.---TomissixandheishissisterJane.HowoldisJane?---Three.A.twiceasoldasC.threeyearsyoungerthanB.twoyearsolderthanD.asoldas()8.---Remember,boysandgirls.youwork,resultyouwillget.---Weknow,MissGao.A.Thebetter,theharderC.Thehard,thebetterB.Theharder,thebetterD.Theharder,thegood()9.Jackhasthreefriends.Mikeistheofthefour.A.mostcleverestB.morecleverC.cleverestD.clever()10.Ofthetwocups,hebought________.A.thelargerB.thelargestC.smallD.larger()11.Johnismyfriendofalltheclassmates.A.goodB.betterC.bestD.thebest()12.E-mailingismuchA.cheapthanlong-distancecalling.C.cheapestD.thecheapestB.cheaper()13.BeijingisoneofcitiesinChina.A.verybeautifulB.muchbeautifulC.morebeautifulD.themostbeautifulastheChangJiangRiver.C.longerD.thelongest()14.TheYellowRiverisn’tsoA.longB.longest()15.ThecoatIboughtlastweekistoobigforme.I’dliketochangeitfora_____one.A.small(B.largerC.nicerD.smaller)16.Ofallthestudents,WuDongruns.A.fastB.fasterC.fastestD.mostfast()17.Tomdrawsbetterthanhisbrother.A.moreB.mostC.manyD.much()18.Whodoeshomeworkinyourclass?A.carefullyB.mostcarefullyC.morecarefullyD.ascarefullyas()19.Ittakesalongtimetogotherebytrain.It’sbycar.A.quickB.thequickestC.muchquickD.quicker()20.Whoisthe,Jim,LiLeiorLingFang?A.tallB.tallerC.tallestD.muchtaller()21.---Whichis________seasoninBeijing?---Ithinkitisautumn.A.goodB.betterC.bestD.thebest()22.Anelephantis________thanati