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1、同位语从句与定语从句的区别一、同位语从句相当于一个名词，对前面的名词起解释说明作用，而定语从句相当于一个形容词，对前面的名词、代词起修饰限制作用。Thefactthattheywonthegamepleasedallofthem.Thenewsthattheytolduscheeredusall.(thatclause=thefact)(that指代thenews)Suddenlythethoughtcametomethathecouldgoblind.Thethoughtthathecouldgoblindmademefeelsad.Thethoughtthatsuddenlyc
2、ametomeisterrible.(同位从句)（同位从句）（定从）二、名词idea,word,news,promise,fact,information,problem,question,hope,truth,suggestion,doubt,fear,belief等后常跟一个同位从句来说明该名词的内容，解释其内涵。Hemadeapromisethatwhoevercouldsethimfree,hewouldshowhimallthetreasuresintheworld.Word(News)camethatourteamwonthegame.Whowillgotofindou
3、ttheinformationwhentheywillsetouttovisittheGreatWall?三、引导同位语从句的that,whether,when,where,who,how,why等不等于或不能替换前面的名词或代词,这些引导词在同位语从句中均不能省略,引导同位语从句的连接副词when,where,who,how等在同位词从句中作状语时,有疑问意义。that无实义不作句子成分(如上述例子)；而定语从句的引导词要在从句中担任句子成分，that,which,who/whom等作从句宾语时常可省略。Ihaveknownthefactthat(不等于fact)ourschoo
4、lhasgonefaraheadofanyotherschoolinourcountryeveryaspect.Hewouldnottellustheideawhether(不等于idea)hewaswilingtohelpusoutofdifficulty.Icouldhardlybelievethereasonwhy(不可替换reason)hewaslateagain.(why有疑问意义)Theyhavenoideawhere(不可替换idea)hehasgone.但以下例句则为定语从句，引导词就是先行词的替身。1.Thenews(that,which)hegaveuswast
5、rue.2.Theypassedoutusalotofinformationthatisofgreatuse.3.Heistheonlyoneofthestudentswhohasbeenawinnerofscholarshipforthreeyears.Exercises: 1.Thethoughts…LiPingoftenhasarecompletelywrong. A.thatB.whyC.ifD.what 2.MyEnglishteachertoldmeapieceofgoodnews… ourcountryhassucceededinapplyingtotheright
6、ofholdingthe2008OlympicGames. A.thatB.C.whetherD.how 3.Youcan’thavetheidea…Iwasworriedaboutyour healththen.A.whatB.ifC.howD.when 4.Nooneknowsthereason..Hehasbrokentheglass. A.whatB.thatC.whyD.how 5.Here’sanannouncement…thewinneratchesscanget aprizeof1’000yuan. A.thatB.whyC.whetherD.when 6.Aco
7、mputercanonlydo…youhaveinstructedittodo. A.howB.afterC.whatD.when7.Itwasmysuggestionthathe…notbesentabroad. A.wouldB.wasC.mustD. 8.Iwillgivethisdictionaryto…wantstohaveit. A.whomeverB.whoeverC.whateverD.wherever 9.…isnopossibility…Bobc
