英语必修5译林牛津版unit 2第2课时表格教案（welcome）

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1、英语必修5译林牛津版Unit2第2课时表格教案（Welcome）课题M5U2TheEnvironment课时8-2Welcome主备人授课时间教学目标(1)Makestudentspayattentiontotheenvironmentaroundthemanddotheirbesttoprotecttheenvironment.(2)GettheSstoimproveoralEnglishbytalking.[来源:Zxxk.Com]教学重、难点(1)Studentsareexpectedtoexpresstheirownopinionsonprotectingthee

2、nvironment.(2)Encouragestudentstospeakfreely教、学具slides预习要求workbook教师活动内容、方式学生活动内容、方式旁注Step1Lead-inToday,we’lllearnsomethingabouttheenvironment.,)Whataretheproblems?Step2TalkaboutproblemsoftheearthBesidesnaturaldisasters.theearthisnowfacingotherproblems.Letstrytofindsomeofthemandtheeffects

3、,thecausesandthesolutionstothem.WaterpollutionEffectsManypeopledon’thaveenoughcleandrinkingwater.Makepeoplegetsick.CausesFactoriespourwasteintorivers/lakes/seas.Peoplethrowrubbishintorivers/lakes.SolutionsUsenewtechnologytomakesurethatfactoriesaregreenandclean.Cleanthewaterintherivers/lak

4、es.Savewaterinourdailylife.Airpollution[来源:Zxxk.Com]EffectsMakepeoplegetsickorevendie.Maketheenvironmentdirty.Causeacidrain(酸雨).CausesFactories,powerstations,cars,airconditionersgiveoffwastegas.Burncoalandoil.SolutionsTheharmfulsmokeshouldbemadeharmlessbeforeitgoesintotheair.Ridebikesmore

5、.Limitthenumberofcars./Makecarsthatdon’tpollutetheair.Rubbish/wastepollutionEffectsMaketheenvironmentugly,dirtyandevendangerous.Causediseases.CausesThrowrubbishinthestreetsorinnature.BuyproductsthatusetoomuchpackagingSolutionsThrowwasteinrubbishbins.Buyproductsthatuselesspackaging.[来源:学.科

6、.网]Recycleasmuchaspossible.DeforestationDesertificationEffectsCausebadweather(sandstorm).Landsormountainsturnintodesert.[来源:Z。xx。k.Com]Causestarvation.CausesCuttoomuchwood.Richsurfacesoilwillbeblownawaybywindorwashedbyraindowntohillsandintrivers.SolutionsUselesswood.Plantmorenewtrees.Tryt

7、omakedesertareasbecomegreenland.starvationEffectsCausesocietyproblems:violence,crime…Manypeopledie.CausesWarsUnevendistributionsofwealthLackofeducationSolutionsNowars;Richcountriesshouldhelppeoplewhocan’tgetenoughfoodoreducation.Step5.CompetitionAsastudent,whatcanyo