北師大版高中英語選修八unit 22《environmental protection》(the second period)教案

1、安徽省滁州市第二中學高中英語安徽省滁州市第二中學高中英語Unit22Unit22EnvironmentalEnvironmentalProtectionProtectionTheTheSecondSecondPeriodPeriodLessonLesson1GlobalGlobalWarmingWarming教案教案北師大版選修北師大版選修8TeachingTeachinggoalsgoals教學目標教學目標1.1.TargetTarg

2、etLanguageLanguage目標語言目標語言a.a.重點詞匯和短語重點詞匯和短語consensusbeyondrelevantreferbouncepincoincidencecondemnfederalreservationsacrificeadvocaterecyclesubstitutebeyondone’scontroltakeactionaheadofb.b.重點句子重點句子Inthelastfewdecadessci

3、entistshavereachedconsensusreptedthathumanbeingsarecausingchangesintheEarth’sclimate—somethingpreviouslyseenasbeyondourcontrol.2.2.AbilityAbilitygoalsgoals能力目標能力目標Learnwhatglobalwarmingisenablestudentstolearnitscausescon

4、sequences.3.3.LearningLearningabilityabilitygoalsgoals學能目標學能目標Byreadinganarticlehelpstudentstolearnhowtheycanhelpsolvetheproblemofglobalwarming.TeachingTeachingimptantimptantpointspoints教學重點教學重點Whathumanactivitiesarecaus

5、ingglobalwarminghowwecanhelpsolvetheproblemofglobalwarming.TeachingTeachingdifficultdifficultpointspoints教學難點教學難點Howwecanhelpsolvetheproblemofglobalwarming.TeachingTeachingmethodsmethods教學方法教學方法Listeningreadingdiscussing

6、.TeachingTeachingaidaid教具準備教具準備Multimediacomputer.TeachingTeachingproceduresprocedures&waysways過程與方式過程與方式Ss:Developedcountries.Becausetheyhavemecarsfactiesgasesfromcarsfactiesarethemajcauseofglobalwarming.T:Goodanswer.Pl

7、easescanthetextfthegivenwdsinEx2trytowkouttheirmeaning.WhilestudentsarediscussingthewdsTeachershouldwalkaroundtheclassroomgivenecessaryhelpwhenneeded.SeveralminuteslateraskstudentstopresenttheiranswerseitherinEnglishChin

8、ese.Studentsmayevenbeencouragedtoexplainthemeaningsusingpictures.ShowthesuggestedanswersonthePowerPoint.StepStepIIIIIIReadReadtotolearnlearnDealwiththereadingpart.ScanningScanningAskstudentstoscanthetextfindwhatexactlygl

9、obalwarmingis.T:WhatisthetitleofLesson1Ss:GlobalWarming.T:DoyouknowwhatexactlyglobalwarmingisPleasescanthetextfindtheanswerinthetext.Ss:GlobalwarmingreferstoanaverageincreaseintheEarth’stemperature.T:Quitegood!Thenskimth

10、etextfindwhathumanactivitiesarecausingglobalwarming.S:Asaresultofincreasedindustryagriculturethecuttingdownoffeststheincreaseintranspttheburningoffuelsnearly6tonesofcarbondioxidegoesintotheatmosphereeveryyearfeveryoneoft

11、heEarth’s6billionpeople.Overthelast100yearstheglobalaveragetemperaturehasincreasedby1F.IfwecontinuetoproducecarbondioxideothergasesinsuchquantitieswearecondemninglifeonEarthshouldexpectsevereconsequences.SkimmingSkimming