新人教选修六 Unit 4 Global warming[单元课件.ppt

《新人教选修六 Unit 4 Global warming[单元课件.ppt》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、Unit4GlobalWarming人教新课标选修六TranslatethefollowingwordsintoEnglish:图表现象燃料影响灾难副产品数据气候每陈述范围干旱graphphenomenonfuelperdatacatastropheclimateconsequencestaterangebyproductdrought与…比较发生大量的导致增加毫无疑问继续物种的灭绝comparetocomeabouthugequantitiesofresultinbuildupThereisnodoubtthat…keeponthedest

2、ructionofspeciesTranslatethefollowingwordsintoEnglish:1.matter要紧、有关系，=beimportantItdoesn’tmatterifImissthetrainbecausethere’sanotheroneintenminutes.Itiswhatyoudoratherthanwhatyousaythatmatters.Languagepoints2.Itisarapidincreasewhencomparedtoothernaturalchanges.comparevt.1)比

3、较;对照compare…with…表示“把…与…相比(同类相比)”如：Comparedto/withmanywomen,shewasindeedveryfortunate.2)喻为;比拟compare…to…表示“把…比做…(异类相比,比喻)”如：Myhandwritingcannotbecomparedwithmyfather’s.我的书法不能与我父亲的相比。Shakespearecomparedtheworldtoastage.莎士比亚把人世比做舞台。用法拓展(1)comparenotes交换意见(2)beyondcomparison/

4、compare无与伦比(3)compare...to...把……比作……(4)compare...with...把……和……相比Comparedwithyourbrother,youshouldmakegreatereffortstostudyEnglish.和你哥哥相比，你应该更加努力学习英语。comeabout:发生,造成,相当于happen你能告诉我事情是怎么发生的吗？Canyoutellmehowtheaccidentcameabout?随着电的使用,种种大变化发生了。Withtheuseofelectricity,greatc

5、hangeshavecomeabout.comeout出现;出版comeup出现;被提出3.Sohowhasthiscomeaboutanddoesitmatter?comeaboutcomeacrosscomeroundcomeintobeingcomeintoeffectcomeoutcomedowntoearth发生偶然遇到绕道而来出现,形成开始生效出现;出版;显出回到现实中来comeabout是不及物短语。Pleasetellmehowtheaccident___.Iamstillinthedark.(2005江西)A.camebyB

6、.cameoutC.cametoD.cameaboutD4.Thereisnodoubtthat….doubt1)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。②否定句中doubt多接that同位语从句。如:There'ssomedoubt________he'llkeephispromise.Shehadherdoubt________thenewbookwouldsellwell.whetherwhetherThereisnodoubt______theywillaskyouforhe

7、lp.Ihavenodoubt______youwillsucceed.2)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。thatthat①用于否定句或疑问句,后接that引导的宾语从句。②用于肯定句,一般接whether或if引导的宾语从句。如:Idon'tdoubt______heistellingthetruth.我毫不怀疑他在讲真话。Doyoudoubt______hewillwinthematch?你怀疑他会赢这场比赛吗?Idoubt__________wewillmakeaprofitoutofi

8、t.我认为我们不可能从此事中获利。Wedoubt__________shewillbepersuaded.我们不知道她会不会被说服。whether/ifwhethe