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状语从句语法专练【考点解读】在复合句中，修饰主句或主句谓语的句子叫作状语从句。状语从句可位于主句之前，也可位于主句之后。状语从句可分为时间、地点、原因、结果、条件、方式、让步、比较和目的等九大类。状语从句引导词列表从句类型从属连词时间状语从句as,after,before,once,since,till,until,when,whenever,while,assoonas地点状语从句where,wherever,anywhere,everywhere原因状语从句because,since,as,now(that),seeingthat,consideringthat,inthat结果状语从句that,sothat,so/such...that...目的状语从句sothat,inorderthat,forfearthat,incase,forthepurposethat条件状语从句if,unless,as/solongas,onconditionthat,incase,providedthat比较状语从句than,as...as,notso/as...as方式状语从句as,asif/though,how让步状语从句though,although,evenif/though,however,whatever,as,while1.______scientistshavelearnedalotabouttheuniverse,thereismuchwestilldon'tknow.A.OnceB.SinceC.ThoughD.Unless2.______heoncefeltlikegivingup,henowhasthedeterminationtopushfurtherandkeepongoing.A.WhereB.AsC.IncaseD.Nowthat3.Ifyoumissthischance,itmaybeyears____yougetanotherone.A.AsB.beforeC.sinceD.after4._______thejobtakesasignificantamountoftime.moststudentsagreethattheexperienceisworthit.A.IfonlyB.AfterC.AlthoughD.Incase5.Ibelieveyouwillhaveawonderfultimehereyougettoknoweveryoneelse.A.thoughB.asifC.onceD.sothat6.asingleworldcanchangethemeaningofasentence,asinglesentencecanchangethemeaningofaparagraph.A.JustasB.EventhoughC.UntilD.Unless7.Weneedtogettotherootoftheproblem______wecansolveit.A.whileB.afterC.beforeD.as8.Thereisonlyonemoredaytogoyourfavoritemusicgroupplaylive.A.sinceB.untilC.whenD.before9.Itissocoldthatyoucan’tgooutside________fullycoveredinthickclothes.A.ifB.unlessC.onceD.when10.______thestudentscamefromdifferentcountries,theygotalongquitewellinthesummercamp.A.WhileB.UnlessC.SinceD.Until11.Heisashyman,_______heisnotafraidofanythingoranyone.A.soB.butC.orD.as12.Youwon’tfindpapercuttingdifficult_____youkeeppracticingit.A.eventhoughB.aslongasC.asifD.eversince13._____thedamageisdone,itwilltakemanyyearsforthefarmlandtorecover.A.UntillB.UnlessC.OnceD.Although14.Themeaningofthewordnice'changedafewtimes______itfinallycametoincludethesensepleasant.A.beforeB.afterC.sinceD.while15.Idon’treallyliketheauthor,______Ihavetoadmithisbooksareveryexciting.A.althoughB.unlessC.untilD.once16.Someanimalscarryseedsfromoneplacetoanother,______plantscanspreadtonewplaces.A.soB.orC.forD.but17..______theforestparkisfaraway,alotoftouristsvisititeveryyear.A.AsB.WhenC.EventhoughD.Incase18.Youwillnevergainsuccess______youarefullydevotedtoyourwork.A.whenB.becauseC.afterD.unless19..Lessonscanbelearnedtofacethefuture,______historycannotbechanged.A.thoughB.asC.sinceD.unless20..Itwasthemiddleofthenight______myfatherwokemeupandtoldmetowatchthefootballgame.A.thatB.asC.whichD.when21.Theyoungcouple,whoreturnedmylostwallet,left______Icouldaskfortheirnames.A.whileB.beforeC.afterD.since22.I’llbeoutforsometime.______anythingimportanthappens,callmeupimmediately.A.IncaseB.AsifC.EventhoughD.Nowthat23.______youstarteatinginahealthierway,weightcontrolwillbecomemucheasier.A.unlessB.AlthoughC.BeforeD.Once24.Cathyhadquitherjobwhenhersonwasborn______shecouldstayhomeandraiseherfamily.A.nowthatB.asifC.onlyifD.sothat25.Halfanhourlater,Lucystillcouldn’tgetataxi______thebushaddroppedher.A.untilB.whenC.althoughD.where26.MarkneedstolearnChinese______hiscompanyisopeningabranchinBeijing.A.unlessB.untilC.althoughD.since27._________youcansleepwell,youwilllosetheabilitytofocus,planandstaymotivatedafteroneortwonights.A.OnceB.UnlessC.IfD.When28.Let'snotpickthesepeachesuntilthisweekend___________theygetsweetenoughtobeeaten.A.eversinceB.asifC.eventhoughD.sothat29._________wedon’tstopclimatechange,manyanimalsandplantsintheworldwillbegone.A.AlthoughB.WhileC.IfD.Until30.Ifyoudon’tunderstandsomething,youmayresearch,study,andtalktootherpeople_______youfigureitout.A.becauseB.thoughC.untilD.since31.______birdsusetheirfeathersforflight,someoftheirfeathersareforotherpurposes.A.UntilB.UnlessC.OnceD.Although32.Simonthoughthiscomputerwasbroken________hislittlebrotherpointedoutthathehadforgottentoturniton.A.untilB.becauseC.whileD.though33.Sometimestestsareneeded______doctorsdiscoverexactlywhat’swrongwithyourbody.A.sinceB.beforeC.althoughD.if34.Work_______theymight,theydidn’tgettheresulttheyexpected.A.althoughB.sinceC.asD.asthough35.MymotherisalwayswarningmewhenIgoout,“Don’tgetoffthebusitisstopping.”A.untilB.whileC.beforeD.after36.Located_______theBeltmeetstheRoad,JiangsuwillcontributemoretotheBeltandRoadconstruction.A.whyB.whenC.whichD.where37.Mygrandfatherstillplaystennisnowandthen,________he’sinhisnineties.A.aslongasB.asifC.eventhoughD.incase38._______onlineshoppinghaschangedourlife,notallofitseffectshavebeenpositive.A.SinceB.AfterC.WhileD.Unless39.Ireallyenjoylisteningtomusic________ithelpsmerelaxandtakesmymindawayfromothercaresoftheday.A.becauseB.beforeC.unlessD.until40.Nancyenjoyedherselfsomuch______shevisitedherfriendsinSydneylastyear.A.thatB.whichC.whenD.where参考答案1-5CABCC6-10ACDBA11-15BBCAA16-20ACDAD21-25BADDD26-30DBDCC31-35DABCB36-40DCCAC