Module4SandstormsinAsia-listening教案Step1:Pre-listeningActivity1:Matchthewordswiththedefinitions.1.theairaroundtheearthatmosphere2.tohaveabadeffectonsomeoneorsomethingdamage3.asubstanceusedinchemistrychemical4.thenaturalworld—theland,air,water,plantsandanimalsenvironment5.tochangefromsolidtoliquid,e.g.icebecomeswatermelt6.totreatsomethingsothatwecanuseagainrecycle7.oneofthegasesintheaircarbondioxide8.themostnorthernandsouthernpointsonearththePoles9.rubbishgarbage10.damagetotheenvironmentbecauseofchemicalspollutionStep2:While-listeningActivity2:Listentoanenvironmentalexpert’sspeech.Putthetopicsbelowintheorderyouhearthem.A.garbageB.treesC.pollutionfromcarsD.meltingicesatthePolesE.theclimateKeys:EDCBAActivity3:Nowlistenagain.Answerthequestions.1.Whatisthemosturgentproblemofall?Theclimate.2.WhatexamplesofcoastalcitiesdoesDavidgive?NewYorkandShanghai3.Whatisdescribedasamajorproblem?Carbondioxidefromcars.4.Whathappenswhenwecutdownalotoftrees?Thereislessoxygenandmorecarbondioxideintheatmosphere.Activity4:Listenagain.Completethesesentences.用心爱心专心atmospherecarbondioxidechemicaldamage(v.&n.)environmentgarbagemeltpollutionrecyclethePoles1.Asaresult,theiceatthePolesisbeginningtomelt.2.Theseamayriseandcitiesonthecoastmaydisappearunderwater.3.Toomuchcarbondioxidepollutestheatmosphere.4.Treestakeincarbondioxideandgiveoutoxygen.5.Weburngarbageandpollutetheatmosphere.6.Instead,weshouldrecyclethegarbage.Activity5:Discussion.1)Listentothetapeandfillintheblanks.Whyistheclimategettingwarmer?It’spollutionthat’stheproblem.Gasesfromcarsentertheatmosphereandstopthesun’sheatfromleavingtheatmosphere.Andfactoriesgiveoutchemicalsthatdothesamething.Soasaresult,theclimateisgettingwarmer.2)Discussion:Ifwecutdownallthetrees,whatwouldhappen?Step3:Post-listening1)Listentoasongandtrytocompletethelyrics.ColorsoftheWindVanessaWilliamsTherainstormandtheriveraremybrothersTheheronandtheotheraremyfriendsAndweareallconnectedtoeachotherInacircle,inahoopthatneverendsHaveyoueverheardthewolfcrytothebluecornmoonOrlettheeagletellyouwherehe’sbeenCanyousingwithallthevoicesofthemountainCanyoupaintwithallthecolorsofthewindCanyoupaintwithallthecolorsofthewind2)Discussion.Accordingtotheconversation,thesongandthepresentsituation,pleasethinkoutwhatwecandotoprotecttheenvironment.Step4:HomeworkWriteanessaywiththethemeofprotectingtheenvironment.用心爱心专心用心爱心专心
