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)Studentsareexpectedtoexpresstheirownopinionsonprotectingt

2、heenvironment.(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.Letstrytofindsomeofthemandthee

3、ffects,thecausesandthesolutionstothem.WaterpollutionEffectsManypeopledon’thaveenoughcleandrinkingwater.Makepeoplegetsick.CausesFactoriespourwasteintorivers/lakes/seas.Peoplethrowrubbishintorivers/lakes.SolutionsUsenewtechnologytomakesurethatfactoriesaregreenandclean.Cleanthewaterinther

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

5、idebikesmore.Limitthenumberofcars./Makecarsthatdon’tpollutetheair.Rubbish/wastepollutionEffectsMaketheenvironmentugly,dirtyandevendangerous.Causediseases.CausesThrowrubbishinthestreetsorinnature.BuyproductsthatusetoomuchpackagingSolutionsThrowwasteinrubbishbins.Buyproductsthatuselesspa

6、ckaging.[来源:学.科.网]Recycleasmuchaspossible.DeforestationDesertificationEffectsCausebadweather(sandstorm).Landsormountainsturnintodesert.[来源:Z。xx。k.Com]Causestarvation.CausesCuttoomuchwood.Richsurfacesoilwillbeblownawaybywindorwashedbyraindowntohillsandintrivers.SolutionsUselesswood.Plan

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