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1、高三英语第一轮复习Unit3(S.B.5)单元知识结构图一、重点单词baggagedawnscenerytraditiondistancesurroundchatmeasurequizmixmixtureconfirmterrifyterrifiedwithinimpressimpressiveslightslightlywealthypleasednearbyapproximatelyaboard二、重点短语ratherthansettledownmanagetodocatchsightofhaveagiftforinthedistanceallt
2、hewayatdawnbeclosetodreamof三、重点句型1.Itisthesecondlargestcountryintheworld.2.Ratherthantaketheaeroplanealltheway,theydecidedtoflytoVancouverandthentakethetrainwesttoeastacrossCanada.3.Thethoughtthattheycouldcrossthewholecontinentwasexciting.4.Itissowettherethatthetreesareextremel
3、ytall,somemeasuringover90metres.5.TheywerenotleavingforMontrealuntillater,sotheywentonatourofthecity.6.It’stoobadyoucan’tgoasfarasOttawa,Canada’scapital.同位语从句:在主从复合句中，用作同位语的从句，叫同位语从句。同位语从句用来解释说明前面名词的内容。一、同位语从句一般跟在某些抽象名词后，如:belief,doubt,fact,hope,idea,news,order,possibility,prom
4、ise,suggestion,problem,thought,word,view等，用以说明或解释该名词的具体内容。如：四、语法eg:Thereiswidespreadbelief_______anagreementhasbeenmade.Ihavenodoubt_______hewillsucceed.注意:同位语从句有时可以跟在它所说明的名词后面,而是被别的词隔开,以使整个句子的结构平衡。如：JoangotthenewsfromMary______apayrisehadbeenagreed.Thethoughthadcrossedmymind__
5、___weweretakingabigrisk.thatthatthatthat二、同位语从句常由that引导，that不在从句中充当成分，一般不能省略；同位语从句也可以由whether,who,what,which,when,where,how,why等引导。如：Wehavesomedoubt__________theycancompletethetaskontime.Thequestion________shoulddotheworkneedstobeconsidered.Ihavenoidea________thetelevisionisn’t
6、working.whetherwhowhy【提示】同位语从句与定语从句的区别：同位语从句相当于名词，即说明它前面的名词的内容；而定语从句与它的先行词是修饰与被修饰的关系。如：Theproblemthateconomicsisgettingworseseemstobequiteserious._______________Theproblemthatnowarisesseemstobequiteserious. ________________注意:引导同位语从句的that是连词,在从句中不充当成分；引导定语从句的that是关系代词，在从句中充当主语、
7、宾语等。同位语从句定语从句四、单词拓展(A)单词派生1.__________adj.轻微的；微小的__________adv.稍微；轻微地slightslightly2._________v.混合；混淆_________n.混合物；混合状态mixmixture3.___________n.传统___________adj.传统的___________adv.传统上traditionallytraditiontraditional4._________vt.使高兴;使满意_________adj.欣喜的;高兴的;愉快的___________adj.令人
8、愉快的;讨人喜欢的pleasingpleasepleased5.__________vt.使留下深刻印象__
