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1、Content：M1Unit3Grammarandusage(2)Aimsofthisclass:Attheendofclass,thestudentscan:differentiatheusageof"as"fromthatof"which"innon-restrictiveAttributiveClause.Importance:knowthedifferencesbetween"as"and"which"innon-restrictiveAttributiveClause.Difficulty:thedifferencesbetween"as"and"which"inAt
2、tributiveClause.Stepone:CheckhomeworkSteptwo:presentationas和which引导非限制性定语从句,代替整个主句。1.Aseveryoneknows,Chinaisacountrywithalonghistory.众所周知，中国是一个历史悠久的国家。2.Sheisateacher,asisclearfromhermanner.她是个教师,这一点从她的举止可以清楚地看出。3.Hemissedtheshow,whichwasreallyagreatpity.他错过了演出，这真是很大的遗憾。Conclusion：as和which在引
3、导非限制性定语从句时,as和which可代替整个主句，相当于andthis或andthat。这两个关系代词都可指代主句所表达的整个意思,且在定语从句中都可以作主语和宾语。as与which的区别：定语从句区别例句限制性定语从句 中名词前有such和thesame修饰时，关系代词用as,不能用whichHeisnotsuchafoolashelooks.Don’treadsuchbooksasyoucan’tunderstand.非限制性定语从句中1)as常带有“正如”的意思,一般用肯定句中。2)as引导的从句可以放在主句前,也可以放在后面；而which引导的从句只能放主句后说明主
4、句产生的结果，或对主句的内容作出判断，译为：“这...”Theywonthegame,aswehadexpected.Theywonthegame,whichwehadn’texpected.Asiswellknown,heisafamousfilmstarinthe1980s.固定搭配：such….as,so…as,thesame…as固定句式asisknowntoall,asisoftenthecase,asishoped,asissupposed，asoftenhappens,asisreported,asissupposed等Stepthree:Practice1.Al
5、icereceivedaninvitationfromherboss,_____cameasasurprise.2.Theweatherturnedouttobeverygood,_____wasmorethanwecouldexpect.3.______isexpected,theEnglandteamwonthefootballmatch.4.Itrainedhardyesterday,_____preventedmefromgoingtothepark.5._____wecansee,thesmokecamefromthelittledustbin.6._____iskn
6、owntoall,Chinaisacountrywiththelargestpopulation.7.Thisissuchaninterestingbook_____wealllike.Ø注意：Thisissuchaninterestingbook______wealllikeitHomework(1)reviewtherestrictiveandnon-restrictiveattributiveclauses.(2)单项选择1.Myparentswerequarrelingaboutme_____Icouldnotquitetellwhy.A.sinceB.thoughC.
7、ifD.until2.Hismoviewonseveralawardsatthefilmfestival,_____wasbeyondhiswildestdream.AwhichBthatCwhereDit3Lastweek,onlytwopeoplecametolookatthehouse,_____wantedtobuyit.AnoneofthemBbothofthemCnoneofwhomDneitherofwhom4Nowthatsheisoutofajob,Lucy__goingb
