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1、同位語從句與定語從句的區(qū)別一、同位語從句相當(dāng)于一個名詞，對前面的名詞起解釋說明作用，而定語從句相當(dāng)于一個形容詞，對前面的名詞、代詞起修飾限制作用。Thefactthattheywonthegamepleasedallofthem.Thenewsthattheytolduscheeredusall.(thatclause=thefact)(that指代thenews)Suddenlythethoughtcametomethathecouldgoblind.Thethoughtthathecouldgoblindmademefeelsad.Thethoughtthatsuddenlyc
2、ametomeisterrible.(同位從句)（同位從句）（定從）二、名詞idea,word,news,promise,fact,information,problem,question,hope,truth,suggestion,doubt,fear,belief等后常跟一個同位從句來說明該名詞的內(nèi)容，解釋其內(nèi)涵。Hemadeapromisethatwhoevercouldsethimfree,hewouldshowhimallthetreasuresintheworld.Word(News)camethatourteamwonthegame.Whowillgotofindou
3、ttheinformationwhentheywillsetouttovisittheGreatWall?三、引導(dǎo)同位語從句的that,whether,when,where,who,how,why等不等于或不能替換前面的名詞或代詞,這些引導(dǎo)詞在同位語從句中均不能省略,引導(dǎo)同位語從句的連接副詞when,where,who,how等在同位詞從句中作狀語時,有疑問意義。that無實義不作句子成分(如上述例子)；而定語從句的引導(dǎo)詞要在從句中擔(dān)任句子成分，that,which,who/whom等作從句賓語時常可省略。Ihaveknownthefactthat(不等于fact)ourschoo
4、lhasgonefaraheadofanyotherschoolinourcountryeveryaspect.Hewouldnottellustheideawhether(不等于idea)hewaswilingtohelpusoutofdifficulty.Icouldhardlybelievethereasonwhy(不可替換reason)hewaslateagain.(why有疑問意義)Theyhavenoideawhere(不可替換idea)hehasgone.但以下例句則為定語從句，引導(dǎo)詞就是先行詞的替身。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
