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三、高考热点问题：1状语从句的时态在时间、条件和让步状语从句中常常用一般现在时代替一般将来时，一般过去时代替过去将来时，现在完成时代替将来完成时。Youwontunderstandthestorycompletelyuntilyouhavefinishedreadingit.Hewillpayavisittoyouassoonashegetshere.HesaidwheneverIwasintroubleIcouldturntohim.,2状语从句的省略当状语从句的主语和主句主语保持一致，且从句谓语动词中含有be动词，可以将状语从句中的主语和be动词一起省略。Whenintrouble，askthechairmanhimself.Althoughfrightened，hemanagedtorunaway.Whilecrossingtheroad，youshouldwatchout.另在ifitispossible，whenitisnecessary等类似结构中，itis常可省。Holdyourheadhighifnecessary.,3状语从句与名词性从句的区别wh开头的词既可引导状语从句，相当于nomatterwh；也可引导名词性从句，相当于anythingthat/anyonewho；分辨它们的窍门在于wh引导名词性从句时，去掉从句，主句成分意思不完整，而wh引导状语从句时，去掉从句，主句意思成分完整清晰。Whoeveryouare(Nomatterwhoyouare)，youmustobeytheregulations.(状语从句)Whoeverarrivesfirst(Nomatterwhoarrivesfirst)willwinthegoldmedal.(主语从句),4状语从句与定语从句的区别(1)where与when引导的状语从句容易与它们引导的定语从句相混淆。when与where引导定语从句时，有先行词，可被介词which替代；它们引导状语从句时，主句中没有相应的先行词，也不能被介词which替代。Thegraduatesshouldgowheretheyareneededmost.(状语从句)Thegraduatesshouldgototheplacewhere/inwhichtheyareneeded.(定语从句)Iwasthehappiestwhenmyparentsweretogetherwithme.(状语从句),Iwasthehappiestduringthetimewhen/atwhichmyparentsweretogetherwithme.(定语从句)(2)so/such.that引导的结果状语从句和so/such.as引导的定语从句so/such.that引导结果状语从句时，that没有任何意义，也不在从句中充当任何成分；而so/such.as引导定语从句时，as为关系代词，在从句中必须充当句子成分，代替先行词。Thequestionissodifficultthatnoonecananswerit.(状语从句)Itissodifficultaquestionasnoonecananswer.(定语从句)Heissuchagoodspeakerthatweallbelievehim.(状语从句)Heissuchagoodspeakerasweallbelieve.(定语从句),5状语从句与强调句型的区别Itwasthefactorywheretheaccidenthappened.(地点状语从句，it指代那家工厂)Itwasinthefactorythattheaccidenthappened.(强调句型，it无具体意义，仅构成强调句型)ItwasmidnightwhenhearrivedChangsha.(时间状语从句，it指时间)ItwasatmidnightthathearrivedChangsha.(强调句型，it无具体意义，仅构成强调句型),从A、B、C、D四个选项中，选出可以填入空白处的最佳选项。()1.Hemadeamistake，butthenhecorrectedthesituation_itgotworse.AuntilBunlessCbeforeDas,1C。考查状语从句引导词的选用。句意：他犯了错，但及时采取了补救措施，没让事情变得更糟。,()2.Theconsequencesofouractionsareunbelievablycomplicatedanddiverse_predictingthefutureisaverydifficultbusinessindeed.AbecauseBevenifCinorderthatDsothat,2D。sothat引导结果状语从句，根据句意应该选sothat。,()3._makeshisparentsproudis_henevergivesup，_difficultthesituationis.AWhatever；不填；howeverBWhat；不填；howCWhat；that；howeverDWhatever；that；how,3C。第一空what引导主语从句，第二空that引导表语从句，第三空however引导让步状语从句，相当于nomatterhow。,()4.Whatwehavebeendoingmaynotdousmuchgood，but_itwillbenefitusorothers，welljuststickitout.AnomatterBhoweverCwhetherDalthough,4C。whether与or连用，引导让步状语从句，相当于nomatterwhether。,()5.Itsquiteatime_theplayergotinjured，butitwontbelong_hereturnstothecourt.Asince；beforeBafter；whenCbefore；sinceDthat；when,5A。itis代替ithasbeen，故第一空使用since；第二空用before表示“要不了多久就”。,()6.Weshouldbeabletodothejobforyouquickly，_yougiveusallthenecessaryinformation.AincaseBprovidedthatCorelseDasif,6B。providedthat引导状语从句，意为“只要”，还可表示为“providingthat”。,()7.Itisnotnecessarytoexplainthetruth_thereareair，waterandsunlight，therearelivingthings.AinwhereverBthatwhereverCwhichDthat,7B。that引导同位语从句，同位语从句中又包含一个wherever引导的让步状语从句。,()8.Theinfluenceofautomobileextendsthroughouttheeconomy_thecarissoimportanttoAmericanpeople.AthatBasCsoDthough,8B。句意：汽车的影响延伸到整个美国经济界，因为汽车对于美国人来说太重要了。,()9.Thegovernmentshouldprotecttheoldvaluablebuildings_theyarenotinharmonywiththemodernonesnearby.AeventhoughBasifCsothatDnowthat,9A。句意：尽管这些古老的建筑和附近的现代化的东西不协调，但是政府也要保护它们。,()10.Howthesestudentswishtheycouldstudy_therearefewerexams!Icanunderstandtheirpressure.AwhereBinwhichCtheplacewhereDinwhere,10A。where引导地点状语从句。,
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