2019-2020年高中英语人教大纲第三册：Unit4Greenworld(第二课时).doc

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1、2019-2020年高中英语（人教大纲）第三册：Unit4Greenworld(第二课时)TeachingAims:1.Getthestudentstolearnandmasterthenewwordsandexpressions:makeattempttodosth.,classify...into,group,haveanappetitefor...,onalargescale,involvein,abandoned2.Getthestudentstolearnthewholetexta

2、ndgraspthemainideaofittoimprovetheirreadingability.3.Learnthefinequalityofthescientistsinthetext.TeachingImportantPoints:1.Mastertheusagesoftheusefulwordsandexpressionsabove.2.Improvethestudents’readingability.TeachingDifficultPoints:1.Theusages

3、ofsomewordsandexpressions.2.Howtotrainthestudents’readingabilityinlearningthetext.TeachingMethods:1.Explanationtogetthestudentstohaveaclearidea.2.Discussiontogetthestudentsgraspthemainidea.3parisontogetthestudentstounderstandthetexteasier.Teachi

4、ngAids:1.aputer2.acourseware3.ataperecorderTeachingProcedures:StepⅠGreetingsandLead-inTeachergreetsthewholeclassasusual.T:Inthelastperiod,Itoldyoutodescribetheprocessofplantingandgrowthoftheyoungplant.NowI’llletonestudentdothisbeforeclass.Zhang

5、Jian,dothis,please....(Teacherasksthreestudentstodothedescription.Thenteacherandstudentslearnthenewwordsandexpressionsofthisperiod.Teacherasksonestudenttoreadthemandthenletanotherstudentcorrectthemistakesifthereareany.Intheend,teachergivesbriefexplan

6、ationsifnecessary.)StepⅡFast-reading(ShowthepicturesofMichurinandDarwin.)T:Doyouknowthetwoscientists?Ss:Yes.TheyareMichurinandDarwin.T:Whichcountrydidtheyefrom,doyouknow?Sa:MichurinwasaRussianandDarwinwasafamousBritishnaturalist.T:Whataretheyfa

7、mousfor?Sb:MichurinisfamousforgraftingplantsandDarwinisfamousforhisbook,OntheOriginofSpecies.T:(Showthefollowingonthescreen.)Inthisclass,we’lllearnaboutsomeotherscientists.TheyareCarlLinnaeus,DanielSolanderandJosephBanks.Readthetextfastandtrytograsp

8、themainideaofthewholetext.Thendotheexercisesonthescreen.Youshouldwritetheans-wersonapieceofpaper.Later,I’llcollectthefirstfivepieces.Readthewholetextandthenchoosethebestanswers.1.Inthesixteenthcentury,botanywasabranchof_________.A.biology