当代研究生英语读写教程上课件(4)

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1、Unit3BookOneContentWarming-upReadingWritingTextATextBBookOneWarming-upBookOneQuestions:1)Inwhatwaysdoeshumanactivityinfluencetheenvironment?Offersomeexamples.2)HaveyouexperiencedthepressureofChina’slargepopulation?Tellaboutyourexperiences.3)ForhowlongdoyouthinkChinashouldin

2、sistitsFamilyPlanningActivity?Why?GroupdiscussionBookOneTHECASEAGAINSTMAN(PARTI)IsaacAsimovBookOneReading—TextATextStudyMainIdea&StructureSentenceAnalysisLanguagePointsUsefulExpressionTextTranslationBookOneMainIdeaandStructureFirstreading:Scanthetextandtrytocatchthemainidea.Th

3、efollowingwordsareforyourreferencetoorganizetheidea:MankindintricatewebdependentonsinglespeciesincreasingexplosionSecondreading:readthepassageagainandtrytoidentifythestructureofthispassage.ForyourreferenceForyourreferenceBookOneMankindispartofanintricateweboflifeontheplanetand

4、dependentontherestpartofthesystem.Inthepastthousandsofyears,mankindisthesinglespeciesthathasbeenincreasinginnumbers.Wehavetodosomethingtostophumanpopulationexplosion.MainIdeaBookOneStructurePara.8-11Mainidea:Theentireplanetismadeupofnonlivingportionsandalargevarietyoflivingport

5、ionswhichareinterdependent.Andmankindispartoftheintricateweboflife.Mainidea:Livingthingsareinterrelatedandinterdependent,justasvarioustypesofcellscomposingofamanareinterrelatedandinterdependent..Mainidea:Thewildincreaseofhumanpopulationwilldestroytheecologyjustasanyordinarycanc

6、erwoulddestroyanorganism.Para.12-16Para.1-7Para.17-20Mainidea:Tostophumanpopulationexplosionisaproblemoftopprioritytobesolved;BookOneTextStudyBookOne1Thefirstmistakeistothinkofmankindasathinginitself.Itisn’t.Itispartofanintricateweboflife.Andwecan’tthinkevenoflifeasathinginitse

7、lf.Itisn’t.ItispartoftheintricatestructureofaplanetbathedbyenergyfromtheSun.2TheEarth,inthenearly5billionyearssinceitassumedapproximatelyitspresentform,hasundergoneavastevolution.Whenitfirstcameintobeing,itverylikelylackedwhatwewouldtodaycallanoceanandanatmosphere.Thesewereform

8、edbythegradualoutwardmovementofmaterialasthesolidinter