高中英语（人教大纲）第三册：unit4 green world(第四课时)

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1、TheFourthPeriodTeachingAims:1.Getthestudentstograspthemainideaofthetextsoastoimprovetheirreadingability.2.Getthestudentstolearnthescientificwayforthescientiststodotheirresearchwork—thewaytothinkandobserve.3.Getthestudentstowriteadescriptionofplants.TeachingImportantPoints:1.Ho

2、wtoanalyseanarticlesoastograspitsmainidea.2.Howtowriteadescriptionaccordingtotheinformationgiven.TeachingDifficultPoint:Howtoimprovethestudents’readingability—howtoanalyseanarticle.TeachingMethods:1.Pairworkorgroupworktomakeeverystudenttakeanactivepartintheclass.2.Discussionto

3、getthestudentstounderstandwhattheyarelearningbetter.TeachingAids:1.acomputer2.acourseware3.ataperecorderTeachingProcedures:StepⅠGreetingsandRevisionGreetthewholeclassasusual.T:Inthelastperiod,youweretoldtomakesentenceswiththeusefulwordsandexpressionsinthetext.Haveyougotprepa

4、red?(Ss:Yes.)Nowreadthesentencestous.Volunteer!Onestudent,onesentence.Sa:makeattempttodosth.Theymadenoattempttoescape.(atescaping)Sb:classifyThebooksinourschoollibraryareclassifiedaccordingtosubject.Sc:groupGrouptogetherintwo!SD:identificationHecarriesidentificationwithhimat

5、alltimeswhenheisout.SE:promoteHeworkstopromotethefriendshipbetweenthetwocountries.SF:privilegeTheyfightagainstprivilegeinordertocreateafairersociety.SG:cosyHelivesinanicecosylittlehouse.SH:haveanappetiteforTheenemyhadnoappetiteforthefight.SI:appointHewasappointedministertoa

6、foreigncountry.SJ:calculateThescientistscalculatedwhenthespaceshipwouldreachthemoonwithacalculator.SK:onalargescaleTheworkofreformingindustrycarriedoutinallprovincesonalargescale.SL:involveThecaseinvolvedseveralleaders.Sm:accumulateHeaccumulatedafortunebyinvestingwisely.Sn:

7、abandonHefoundababyabandonedbyhisparents.StepⅡPreparationforReadingT:Somuchforhomework.NowopenyourbooksandturntoPage169.Let’sreadthenewwordsandexpressionsofthisperiod.Whowillreadthemtous?Sa:I’lltry....(Teacheraskssomestudentstoreadthenewwordsandexpressions.Whilereading,letothers

8、tudentscorrectthemi