教案新人教版选修六Unit4Languagepoints教案.doc

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1、人教选修6Unit4GlobalwarmingLanguagepointsTeachingmaterialNSEFCBook6——Unit4TeachingAims1.Tolearnsomenewwordsandphrases.2.Tolearnsomecomplicatedsentencepatterns.TeachingImportantPointHowtohelpthestudentstomastertheusageofsomeusefulwords,expressionsandsentences.TeachingDifficu

2、ltPointHowtoenablethestudentstograspandrememberthedetailedinformationofthereadingmaterial.TeachingaidsAprojector,andablackboardTeachingProcedureStep1RevisionRetellthetext.Step2LanguagepointsT:Nowlet’slearnsomelanguagepointsofthetext.Slideshow1.Itisarapidincreasecompared

3、tomostnaturalchanges.1．vt.比较；对照。如：Compareyouranswerswiththoseatthebackofthebooktoseeiftheyareright.把你的答案同书后面的答案对照一下，看看是否正确。Myhandwritingcannotbecomparedwithmyfather’s.我的书法不能与我父亲的相比。2．vt.喻为；比拟。如：Man’slifeisoftencompareddoacandle.人生常被比为蜡烛。Shakespearecomparedtheworldtoasta

4、ge.莎士比亚把人世比做舞台。compare…with…表示“把……与……相比（同类相比）”compare…to…表示“把……比做……（异类相比，比喻）”comparedto/with与……相比,只能作状语2.Howhasthiscomeaboutanddoesitmatter?comeabout:发生，造成相当于happenWhenMotherwokeup,shedidn’tknowwhathadcomeabout.I’llneverunderstandhowitcameaboutthatyouwerelatethreetimesa

5、week.Doyouknowhowtheairaccidentcameabout?3.Thereisnodoubtthat….一、作不可数名词,作"疑惑;怀疑”①肯定句中doubt多接whether(一般不用if代替)同位语从句。如:There'ssomedoubtwhetherhe'llkeephispromise.他会不会信守诺言还难说。Shehadherdoubtswhetherthenewbookwouldsellwell.她怀疑新书是否会畅销。②否定句中doubt多接that同位语从句。如:Thereisnodoubttha

6、ttheywillaskyouforhelp.毫无疑问,他们会请你帮忙的。Ihavenodoubtthatyouwillsucceed.我毫不怀疑你会成功的。二、作及物动词常用于下列句型中,作"怀疑;不能肯定;不大相信"解,一般不用进行时态。①用于否定句或疑问句,后接that引导的宾语从句。如:Idon'tdoubtthatheistellingthetruth.我毫不怀疑他在讲真话。Doyoudoubtthathewillwinthematch?你怀疑他会赢这场比赛吗?②用于肯定句,一般接whether或if引导的宾语从句.如:Id

7、oubtwhetherwewillmakeaprofitoutofit.我认为我们不可能从此事中获利。Wedoubtifshewillbepersuaded.我们不知道她会不会被说服。4.Hefoundthattheamountofcarbondioxidekeeponincreasingduringthattime.①amountn.数量习惯用语：anamountof相当数量的;一些修饰不可数名词amountsof相当数量的;一些修饰不可数名词largeamountsofmoney大量的金钱②keepon继续+doingsth.他们

8、虽然很累了，还是继续工作。Theykeeponworkingalthoughtheyaretired.5.resultinresultin结果;致使;导致主语：起因in的宾语：结果Actingbeforethinking