高一下学期英语阅读理解说明文评讲专项课件

阅读语篇分析&评讲Exposition/expositorywritingWhatdothesetwopassageshaveincommon？Whatisexpositorywriting?Expositorywritingisatypeofwritingthataimsto_____________________________________something

ina_____________________________

way.Itpresentsafactualperspectiveonatopic,withoutthewriter’s_____________________________.explain,inform,introduce,ordescribe

concise(简明的),

clear

andlogicalpersonalopinionsorarguments2.Whatisthebasicstructureofanexposition?Basicstructure:Generaltospecific(总分)Introductionmainbody:Conclusion:Topicsentence1+supportingdetailsTopicsentence2+supportingdetails

Topicsentence3+supportingdetails...thefirstorlastsentenceofeachparagraph(Topicsentence)AdditiveTransitions（添加过渡词-顺承）What’smore,inaddition,furthermore,apartfrom,besides,moreoverAdversativeTransitions（转折过渡词）However,but,yet,incontrast,onthecontrary,ontheotherhand,although/though/while,...EquivalencyTransitions（等同过渡词）Similarly,likewise(同样地),inthesameway,equally,alsoCausalTransitions（因果过渡词）:Therefore,thus,hence,sothat,asaresult/consequence,consequently,as/since,dueto,owingto...SummativeTransitions（总结过渡词）:insummary,inconclusion,overall,inshort,inbrief,inaword,allinall3.Howcanthewriterdevelopthepassageinaclearandlogicalway?

Theuseoftransitionwords过渡词4.Whatarethecommonmethodsofanexposition?Howdoestheauthororganize/developthepassage/paragraph?givingdefinitions下定义makingcomparisons作比较listingfigures/numbers列数字analyzingdata/statistics分析数据

givingexamples举例expertsquotes(引言)...tosupportthetopicsentence/theauthor’sideas.(supportingdetails)SummaryHowtogetkeyinformationofanexpositionquickly?Topicsentence(thefirstorlastsentence)Transitionwords(however,yet,but,also,what’smore,apartfrom...)Expositionmethods(givingexamples,listingnumbers...)1.objectdescription(事物说明)2.explanationofsocialphenomena(社会现象)3.explanationofprinciples(事理阐释)4.researchreport(研究报告)maintypesofexpositionIfyouaregoingtowriteanexpositiontointroducesomething,whatcontentswillbeincludedinyourwriting?1.definition(Whatisit)2.feature/characteristic(特点)/function(功能)3.origin/history/development4.advantages/benefits;5.disadvantages6.effect(good/bad)/meaning/value/significance7.people’sattitudes/views/comments...(positive/negative)...Para1:IntroductionThedefinition/itsorigin/thefeatureof“graffiti”Para2:historyPara3:itsvalue/significancePara.4itsvaluePara.5conclusionitspopularityandinfluencePara3-4itssignificance/valueAnalyzepassageAapartfrom...also...Underlinethetopicsentenceandthekeywordsuseoneortwowordstosummarizeeachparagraph.Problem-solvingUnderlinethetopicsentenceandthekeywordsandtrytouseoneortwowordstosummarizeeachparagraph.AnalyzepassageBanddrawastructuremapbyyourselfPara1-2:IntroductionHow:Topic:Para.3:advantagePara.4:advantagePara.5:advantagePara.6:badeffectPara.7:badeffectByaskingaquestionPrintingfood/havinga3Dprinterinthekitchen123456