北師大版高中英語(yǔ)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(yǔ)安徽省滁州市第二中學(xué)高中英語(yǔ)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(yǔ)言目標(biāo)語(yǔ)言a.a.重點(diǎn)詞匯和短語(yǔ)重點(diǎn)詞匯和短語(yǔ)consensusbeyondrelevantreferbouncepincoincidencecondemnfederalreservationsacrificeadvocaterecyclesubstitutebeyondone’scontroltakeactionaheadofb.b.重點(diǎn)句子重點(diǎn)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(diǎn)教學(xué)重點(diǎn)Whathumanactivitiesarecaus

5、ingglobalwarminghowwecanhelpsolvetheproblemofglobalwarming.TeachingTeachingdifficultdifficultpointspoints教學(xué)難點(diǎn)教學(xué)難點(diǎn)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(guò)程與方式過(guò)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