凤凰国际英语雅思写作5因果法写段落ppt课件.ppt

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1、段落写作CauseandEffect因果法关于段落扩展引言结尾正文1正文2ExampleTopic:Sciencecandogoodtomankind,butitcandoevilaswell.段落扩展Sciencecandogoodtomankind,butitcandoevilaswell.sciencedogooddoevilS-1G-1G-2G-nE-1E-2E-n段落扩展(1)Sciencecandogoodtomankind,butitcandoevilaswell.(2)Whenitiswiselyused,itwillbringbene

2、fit.(3)Forexample,atomicenergycanhelpusgenerateelectricity.(4)However,ifitiswronglyused,itsdestructivepowerwillbeuncontrollableandterrible.(5)Itcanclaimthousandsandthousandsoflivesinasplitsecond.段落扩展主题句一级扩展一级扩展一级扩展二级扩展二级扩展二级扩展二级扩展二级扩展二级扩展衔接过渡(1)Sciencecandogoodtomankind,butitcan

3、doevilaswell.(2)Whenitiswiselyused,itwillbringbenefit.(3)Forexample,atomicenergycanhelpusgenerateelectricity.(4)However,ifitiswronglyused,itsdestructivepowerwillbeuncontrollableandterrible.(5)Itcanclaimthousandsandthousandsoflivesinasplitsecond.sciencedoesgood,doesevilbringbenef

4、itdestructivepower…atomicenergyclaimlives…………衔接过渡衔接过渡衔接过渡衔接过渡因果法（CauseandEffect）因果法经常用以阐述原因，回答“为什么”这类问题，分析事物发展的前因后果，也多见于说明文和论述文。因果关系的普遍性决定了因果关系的复杂性，通常因果关系模式有一因一果、一因多果、一果多因和多果多因等，而以因果方式扩展段落时通常可采用先因后果或先果后因的一因多果或一果多因模式，其中的多因或多果用通常以枚举方式列举。例：Fourpatternsofcause-effectrelationshipSing

5、le-cause-single-effectpatternSingle-cause-many-effectspatternMany-causes-single-effectpatternCausalchainpatternEffectoneCauseEffecttwoEffectthreeTreediagramofsingle-cause-manyeffectsOutline1:(side-by-sidepattern)1.Thecause:Iwentbacktocollegeaftertenyearsofbeingahousewife.2.Negat

6、iveeffects:a.Myhusbandfeelsworried;b.Mychildrenhavelesscarefromtheirmotherthanbefore;c.Idonothaveenoughtimetotakecareofthefamily.3.Positiveeffects:a.Myhusbandislearningtolookafterhischildren;b.Mychildrenarelearningtobemoreindependent;c.Iamlearningalotandbecomingmoreintelligent.O

7、utline2:(point-by-pointmethod)Thecause:Iwentbacktocollegeaftertenyearsofbeingahousewife.2.Theeffectsonmyhusband:Myhusbandfeelsworried,butheislearningtolookafterhischildren.3.TheeffectsonmychildrenThoughmychildrenhavelesscarefromtheirmotherthanbefore,theyarelearningtobemoreindepe

8、ndent.4.TheeffectsonmyselfIdonothaveenoughtimet