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第1页共4页Unit5Canada---“TheTrueNorth”GrammarandUsefulStructuresTeachinggoals1.Targetlanguagea.重点词汇和短语multicultural,figure,figureout,terrify,official,makecommentsb.重点句子Theideathattheywouldcrossthewholecontinentwasexciting.Thefactthatoceanshipscangotheresurprisesmanypeople.TheideathatyoucancrossCanadainlessthanfivedaysisjustwrong.2.AbilitygoalsLearnnounclauseusedasappositives.3.LearningabilitygoalsLearnhowtomakenewwords.Learnwhatisnounclauseandhowtouseit.TeachingimportantpointsLearnnounclausesusedasappositives.Teachingmethodsa.Studyindividually;b.practice.TeachingaidsAcomputerandaprojector.TeachingproceduresStep1lead-inShowsomepicturesofearthquake.ThenewsthattherewasabigearthquakeinSichuanyesterdayshockedalltheChinesepeople.Ask:Whatisthenews?WhatshockedtheChinesepeople?Step2introduction第2页共4页同位语从句1.概念:在复合句中作名词的同位语的名词性从句。2.功能:同位语从句对名词进一步解释，说明名词的具体内容。3.用法:常跟的抽象名词有:fact/idea/reason/thought/order/doubt/news/hope/truth/belief…4.连词that/whether/who/which/what/when/where/why/howStep3practiceEx1.PointouttheAppositiveClauses:1.Theideathatonlyhecandoitiswrong.2.Weheardthenewsthatourvolleyballhaswon.3.Thequestionwhyhedidn’tcomeisn’tclear.4.I’venoideawhathedidyesterday.5.Thequestionwhetherheshouldcomehimselforsendanotherpersonhasn’tbeendecided.Ex2合并句子1．Wewereexcitedatthenews.Ourfootballteamhadwonathirdmatch.2．Theyhavemadeanewplan.Anotherexperimentbuildingwillbeputupbesidethelibrary.3.Theyhadthequestion.Couldhepassthefinalexam?4.Whodidthedamagedcomputerbelongto?Noonehadanyidea.5.Theproblemhasbeensolved.Whyweresomanyareasfloodedduringtheheavystorm?Ex3用适当的词填空1.Ihavenoidea_____hewillbeback.2.Weheardthenews_____ourteamhadwon.3.Therearosethequestion______wecouldgettheloan4.Thesuggestion____theplan(should)bedelayedwillbediscussedtomorrow.5.Haveyouheardthenews_____Marywillbebacksoon?Ex4Completethefollowingsentences1.我们邀请他这个主意太好了。第3页共4页_______________________isquitegood.2.光传播的速度比声音快的事实是大家知道的。__________________________________isknowntoeveryone.3.他要来的消息是真的。____________________istrue.4.将要发生地震的谣传很快就在这一地区传开了。_______________________________soonspreadalloverthisarea.Step4difference同位语从句与定语从句区别:1.从词类上区别同位语从句前面的名词只能是idea,fact,news,hope,belief,suggestion,proposal,word,thought,doubt,truth,possibility,promise,order等有一定内涵的名词，而定语从句的先行词可以是名词,代词,主句的一部分或是整个主句。Hetoldmethenewsthathewouldcomehomefromaboardsoon.Wordcamethathehadbeenabroad.据说他已经出国了。Ourteamhaswonthegame,whichmadeusveryhappy.我们的队赢了,这让我们很高兴。(定语从句)2.从性质上区别定语从句是从句对其先行词的修饰或限制,属于形容词性从句的范畴;而同位语从句是从句对前面抽象名词的进一步的说明和解释,属于名词性从句的范畴，如:Thenewsthatourteamhaswonthegamewastrue.我们队赢了那场比赛的消息是真的。(同位语从句,补充说明news到底是一个什么消息)Thenewsthathetoldmeyesterdaywastrue.昨天他告诉我的那个消息是真的。(定语从句,news在从句中作told的宾语)3.从引导词及其在句子中的成分上区别有些引导词如how,whether,what可以引导同位语从句,但不能引导定语从句。如:Thatquestionwhetherweneedithasnotbeenconsidered.第4页共4页我们是否需要它这个问题还没有考虑。(同位语从句)引导词that引导定语从句时,在从句中一般作主语或宾语(指物时还可以用which代替),并且作宾语时常常省略，that在同位语从句中仅起连接作用,不充当任何成分,并且不能省略,也不能用which来代替，如:Theorderthatweshouldsendafewpeopletohelptheothergroupswasreceivedyesterday.我们应派几个人去帮别的几个小组的命令昨天收到了。(同位语从句,是对order的具体解释,that虽不作成分,但不能省略)Theorderthatwereceivedyesterdaywasthatweshouldsendafewpeopletohelptheothergroups.我们昨天收到的命令是我们应该派几个人去帮助别的几个小组。(定语从句,是名词order的修饰语,that在从句中作received的宾语,可以省略)Practice判断同位语从句与定语从句1.Thenewsthattherearenolivesonthemoonisknowntousall.()2.Thenewsthatyouheardisnottrue.()3.Haveyouanyideawhohewentwith?()4.Isthereanyhopethattheywillbehomeintime?()5.Theproblemthatyoureferredtodoesn’texistatall.()