2019-2020年高中英语Unit4Period3导学案新人教版选修6.DOC

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1、2019-2020年高中英语《Unit4Period3》导学案新人教版选修6【学习目标】：学习掌握warming-up及reading中的重点单词、句型。【自主学习】：Ⅰ.自主阅读，找出本单元出现的重点单词、短语、句型以及不理解的长、难句。Ⅱ.试着翻译下列句子：1.Thatprobablydoesn’tsoundverymuchtoyouortomebutitisarapidincreaseparedtomostnaturalchanges.2.Thereisnodoubtthattheearthisbeingwarmerbu

2、tthereisfiercedebateoverwhetheritishumanactivitythathascausedthisglobalwarmingorwhetheritisjustanaturalphenomenon.3.Withoutthe“greenhouseeffect”,theearthwouldbeaboutthirty-threedegreesCelsiuscoolerthanitis.4.Somepeoplethinkfutureglobalwarmingwouldcausethesealeveltor

3、isebyseveralmeters;otherspredictseverestorms,droughts,famines,thespreadofdiseases,andthedestructionofspecies.5.Itisthegreenhouseeffectthatgivestheearth’ssurfacetheaveragetemperatureof15℃.【问题探究】在课文中划出含有以下知识点的句子，探讨研究以下知识点(1)Sohowhasthiseaboutanddoesitmatter?mattervi.要

4、紧，有关系eg:1.Hesaiditdidn’tmatterwhetherwestayedorwent.2.Thethingthat_____isnotwhetheryoufailornot,butwhetheryoutryornot.A.mattersB.caresC.considersD.minds(2)thereisnodoubtthat…毫无疑问根据后面三个例句总结一下doubt相关用法Thereissomedoubtwhether….There'snodoubtthatonedayacurewillbefound.T

5、hereislittledoubtthathewasthekiller.（3）vi.订阅；捐款；认购；赞成；签署vt.签署；赞成；捐助subscribeto同意；赞成；订购1.他每年都向教会捐款。____________________________________________________________________________2.IhavesubscribedtoNewsweekformanyyears.____________________________________________________

6、________________________3.我会赞同你的决定。____________________________________________________________________________（4）Withoutthe‘greenhouseeffect’，theearthwouldbeaboutthirty-threedegreesCelsiuscoolerthanitis.这是一个含蓄虚拟条件句。应该注意有时假设的情况并不以条件从句形式表示出来，而是通过一个介词短语或其他方式表示。常用的词或短语

7、有：without,butfor，butthat，otherwise，or，but等。eg:1.Withoutyourhelp(=Ifwehadnothadyourhelp)，wecouldnothavesucceeded．2.Butforelectricity(=Iftherewerenoelectricity)，therewouldbenomodemindustry．3.Hewashavingameetingwithhisstudents；otherwise,hewouldhavee.4.Hefeltverytiredye

8、sterday,orhewouldhaveattendedtheparty．（5）resultin导致,造成=leadtoresultfrom由…产生，发生Theaccidentresulted______threepeoplebeingkilled.Theaccidentr