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(xué)高中英語安徽省滁州市第二中學(xué)高中英語Unit22Unit22EnvironmentalEnvironmentalProtectionProtectionTheTheSecondSecondPeriodPeriodLessonLesson1GlobalGlobalWarmingWarming教案教案北師大版選修北師大版選修8TeachingTeachinggoalsgoals教學(xué)目標(biāo)教學(xué)目標(biāo)1.1.TargetTarg

2、etLanguageLanguage目標(biāo)語言目標(biāo)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(biāo)能力目標(biāo)Learnwhatglobalwarmingisenablestudentstolearnitscausescon

4、sequences.3.3.LearningLearningabilityabilitygoalsgoals學(xué)能目標(biāo)學(xué)能目標(biāo)Byreadinganarticlehelpstudentstolearnhowtheycanhelpsolvetheproblemofglobalwarming.TeachingTeachingimptantimptantpointspoints教學(xué)重點教學(xué)重點Whathumanactivitiesarecaus

5、ingglobalwarminghowwecanhelpsolvetheproblemofglobalwarming.TeachingTeachingdifficultdifficultpointspoints教學(xué)難點教學(xué)難點Howwecanhelpsolvetheproblemofglobalwarming.TeachingTeachingmethodsmethods教學(xué)方法教學(xué)方法Listeningreadingdiscussing

6、.TeachingTeachingaidaid教具準(zhǔn)備教具準(zhǔn)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