介词+关系副词引导的定语从句

1.---Look!Whatamistake!Why?---Sorry,I______onit.A.don’tconcentrateB.hadn’tconcentratedC.hadn’tbeenconcentratingD.wasn’tconcentrating2.Therearesomanybeautifulthingsthatitwashard____.A.tochooseB.tobechosenC.choosingoneD.tochoosefrom3.Withhismoney____andhishealthruined,hecouldn’tgohome.A.leavingB.missedC.runningoutD.runout4.____isknowntousallisthattheoldscientist,for____lifewashardinthepast,stillworksveryhardinhiseighties.A.As,whomB.What,whomC.It,whoseD.As,whose5._____besenttoworkthere?A.WhodoyousuggestB.WhodoyousuggestthatshouldC.DoyousuggestwhoshouldD.Doyousuggestwhomshould6.Allthatwasleft_____wasthe“thirdpole”,thehighestmountainonearth,MountQomolangma.A.conqueredB.tobeconqueredC.conqueringD.beingconquered7.Attheageof25,QuYinhua,aChinesemountainclimber,wastheyoungestever_____thesummitoftheQomolangma.A.reachedB.tohavereachedC.reachingD.havingreached8.SomeAboriginesliveinasimilarway____theirancestors,whileothersliveinthesameway___theirfellowAustralians.A.to,asB.as,toC.to,toD.as,as9.InareaAustraliaisapproximatelythesamesizeastheUSA(withoutAlaska),which,however,hasmorethan14times_____people.A.asmanyB.asmanyasC.somanyD.many10.Sometimesthewagonshadtobeliftedorpulledup,___werenoroads.A.whereB.wherethereC.inwhichD.inwhichthere11.Butonceyouconsiderthesituation____,youwillfindthatthisisindeed___case.A.further,theB.farther,theC.further,aD.farther,a12.I’veneverseenanyonerunsofast---____Davidgo.A.justwatchB.justtowatchC.justwatchingD.justhavingwatched13.Frank’sdreamwastohavehisownshop___toproducetheworkingsofhisownhands.A.thatB.inwhichC.bywhichD.how14.Youaresayingthateveryoneshouldbeequal,andthisis____Idisagree.A.whyB.whereC.whatD.how15.ThehouseIgrewup___hasbeentakendownandreplacedbyanofficebuilding.A.initB.inC.inthatD.inwhich16.Thejourneyaroundtheworldtooktheoldsailorninemonths,____thesailingtimewas226days.A.ofwhichB.duringwhichC.fromwhichD.forwhich17.Theseasideheredrawsalotoftouristseverysummer.Warmsunshineandsoftsandsmake____itis.A.whatB.whichC.howD.whereSheisnolongerwhatheusedtobeAfteryearsofhardwork,shewasmadewhatshewas.18.___isoftenthecase,wehaveworkedouttheproductionplan.A.WhichB.WhenC.WhatD.Asas引导非限制性定语从句，常有“正如…那样”的含义，用于一些固定结构中(这些结构中的as不能用which替换)asweknow/asisknowntoallaswecansee/ashasbeensaidaboveaswehadexpected/asisexpectedasisreported/mentionedas引导非限制性定语从句位置可前，可中，可后，which只能位于主句之后as引导限制性定语从句用在固定结构”thesame…as,such…as,so…as”中，且在句中充当成分Sheissoeasygoingaman_____everyonewantstoworkwith.Sheissoeasygoingaman_____everyonewantstoworkwithhim.之所以会有fromwhere这个形式,主要是from的特殊用法Whereareyoufrom？/Wheredoyoucomefrom?from这个介词比较特殊，其后可以再加上一个介词短语fromunderthetable从桌子底下frombehindthedoor从门后面Lookoverthere!Somepeoplearestandingunderthebigtree,___youcanenjoythewholeview.A.whereB.fromwhichCthereDfromwherewhere代表underthetree这个地方，如果用which就只能代表thebigtree,这句话的意思不是Enjoythewholeviewfromthebigtree,而是fromunderthebigtree.所以只能用Dfromwhere类似的用法1、Soonaftergettingoffhishorse,thecaptainappearedatthesecondstoreywindows,fromwherehecouldseenothingbuttrees.下马不久，上尉就出现在二楼的窗口了。他从那里除了树木什么也没看到。(引导定语从句)2、Sheclimbeduptothetopofthehill,fromwhereshecouldhaveagoodviewofthewholetown.她登上山顶，从那里她可以一览全城风光。（引导定语从句）划线部分相当于…,andfromonthetopofthehill...不可变为fromwhich…,也可直接用where引导，但语义较为含糊，不如用fromwhere更加生动、形象、具体。划线部分相当于…,andfromatthewindows…不可变为fromwhich…，直接用where不如用fromwhere更具体。3、Wewentuptotheroof,fromwherewehadagoodviewoftheprocession.我们爬到屋顶，在那儿我们可以一览整个行进队伍。（引导定语从句）划线部分可理解为…andfromonthetopoftheroof…,直接用where仍显不具体，不形象。