【课件】Unit+3+Listening+and+Speaking+课件人教版（2019）选择性必修第三册

人教版（2019）英语选择性必修三Unit3ENVIRONMENTALPROTECTIONListeningandSpeakingLearningObjectivesBytheendoftheclass,youwillbeableto:learnabouttheoriginof“smog”inLondon,thesolutionsUKgovernmentmadetodealwiththesmog.graspthepassagestructurebasedonthemindmap.learn

toexpressideasaboutairpollution:thecausesandthesolutionsbyreferringtocommonknowledge.Lead-in1.“Whathaveyoulearntfromthereadingpassage?”2.Wheredogreenhousegasescomefrom?1.“Whathaveyoulearntfromthereadingpassage?”Themainreasonsofgloblalwarmingisextragreenhousegases.Manygreenhousegasesoccurnaturallyintheatmosphere,whileothersareman-made.Thelargeamountofextraman-madegreenhousegasesisdirectlyrelatedtotheproblemofglobalwarming.Besidesthat,thegreenhousegaseshavebeeninfluencingourdailylife.2.Wheredogreenhousegasescomefrom?heatfromthesun;burningfossilfuels;burningcoalWhatinformationcanyougetformthispicture?AirpollutionThebridgeinLondonisshroudedinsmog.Thechimneysareinapowerstation.theburningcoalLead-inWhatisit?Andwhatdoyouthinkaboutit?Newefficent-energyvehiclescanbepoweredbyelectricity.TheyarethebreakthroughpointforChinatodevelopnewenergyautomobiles.NEVs(newefficent-energyvehicles)Howdothesesituationsinfluenceyourlife?Thesesituationsinfluencemylifenotonlybyprovidingelectricityforme,andtransportingme,butalsobypollutingtheairIbreathe.Theycancauseglobalwarming,greenhousegasesandacidrain,whichdamagemyhealth.Soweshoudleadalow-carbonlife.Knowabouttheairpollution.Whatwilltheytalkabout?PredictionInterviewenergyandpollution

Howcanwelistenforaclearergoal?2.Whentherearenumbers,pleasepaymoreattentionandtrytowritethemdown.

1.Whilelistening,lookatthequestionsfirst,andcircletheimportantwords.3.Listentotheradioformanytimes,writedownthekeywords.Whatarethemaintopics?

SmogBasicinformationaboutsmogSmoginLondon:thecauses,impactsandmeasuresListening1smogcomesfromacombinationofthewords“smoke”and“fog”originatedinBritain

Listening2Listentosection1oftheinterviewandlearnaboutsmog.Whendiditoriginate?Itoriginatedintheearly20thcentury.oneofthefirstindustrialcountriescausesWhenthecoalburned,whathappend?factoriesandhomesusedlotsofcoal

Listening3Listentosection2oftheinterviewandfigureoutcauses.Whythesmogwascalleda“peasoup”?Whenburned,thecoalproducedharmfulemissionswhichcreatedlotsofsmog.Becauseitwasasthickassoup.causedmanyhealthissuesimpactsWhenandwheredidtheworstcasehappen?killedmanypeople

Listening4Listentosection3oftheinterviewandfigureoutimpacts.Howmanypeoplediedwhenthesmogwasparticularlybad?IthappenedinLondonin1952.4000deathswasrecorded.theUKgovernmentmeasuresListening5Listentosection4oftheinterviewandanswer.Whocanhelptoreduceairpollution?individualListening5measuresorderedpeoplenottoburncoalintheirhomesgovernmentreducesmogandimproveairqualityreplacecoalwithcleanerformsofenergyindividualsusenewenergy-efficientvehiclesusenewtechnologyanddevelopitforcedfactoriestomoveawayfromcitycentres

Whatmeasuresshouldbetakentoreduceairpollution?majorcausemeasurescoalfactoryemissionsvehiclesemissionsrestrictburncoalforcefactoriestomoveawayfromcitycentertravelbygreenvehiclesplanttreesmakerestrictionpoliciesdevelopthetechnologysaveelectricityandenergyWhatothercausesandmeasuresdoyouthinkof?restrictprivecarstravebypublictransportationDiscussionSmoginChina:causesVehicleemissionsarethemajorcauses!LearnaboutmoremeasuresUsefulexpressions:choosegreen

travelling;buyelectricvehicles;makefactoryrestrictionpolicy;planttrees;vehicleemissions;garbagesorting;wearanti-smogmask;thick/densesmog

Talking&speakingAsgovermentofficialsorordinarypeople,whatdoyouthinkofairpollution,whatarethecausesofairpollutionandwhatcanyoudotohelpreduceairpollution?Thefollowingexpressionsmighthelpyou.ReportaboutSmog:PossibleAnswerAsisknowntoall,wehavebeensufferingairproblemsrecently.Luckily,we’vefoundthecausesandthesolutions.Nowletmeintroduceittoyou.Throughourinvestigation,itisobviousthat

thevehicleemissionsarethemajorcauses,producingharmfulgaseswhichcreated“smog”,acombinationofsmokeandfog.Butdon’tbeworry,therearelotsofmeasurestodealwithsmog,suchaswearinganti-smogmasks,choosinggreentravellingorplantingtrees.Believeus,thesmogwilldisappearanddeep,blueskywillshowupinthenearestfuture.

Lucidwatersandlushmountainsareinvaluableassets.Maybewestillhavealongwaytogobeforewehaveacleanworld.Luckiy,nearlyallofc