【課件】Unit+3+Using+Language+課件人教版（2019）選擇性必修第三冊

Unit3EnvironmentalProtectionPeriod4:ListeningandSpeakingTalkaboutairpollutionLearntousesummarizingstrategyinthelisteningprocessandrelaythelisteningcontent.Learn

toexpressideasaboutairpollution:thecausesandthesolutionsbyreferringtocommonknowledgethroughdiscussion.Lookatthefollowingpicturesandfindoutwhattheyare.Before-listeningWhere:What:Why:Before-listeningchimneysemittinggasesapowerstationburningfossilfuelsWhere:What:Why:burningcoalsfamily/factoryheat/energyBefore-listeningWhere:What:Why:smoky/foggy/smoggydayRiverThamespollutedairBefore-listeningWhere:What:Why:Newenergyvehicleenvironmental-friendly,greenenergy-savingBefore-listeningChargingstationNewenergy-efficientvehicleschimneycoalsmogHowdothesesituationsinfluenceyourlife?greenhousegasacidrainairpollutionleadalow-carbonlifeBefore-listeningInterviewenergyandpollutionListentoaninterviewwithanairpollutionexpertanddecidewhetherthestatementsaretrue(T)orfalse(F).Theexpression“smog”originatedinBritainandmeansacombinationof“smoke”and“fog”.SmogbecameasevereprobleminBritainbecausepeopleatthattimeburntlotsoffossilfuels.TheworstsmoginBritishhistoryhappenedinLondonin1942.TheGreatSmogofLondonclaimed5,000lives.Later,theUKgovernmentorderedpeoplenottoburnwoodintheirhomes.19524000coalTTFFFListeningforTrueorFalseListeningforthedetailsBenDrake,anexportonairpollution,isbeinginterviewedontheradio.Hesaidthatsmogwasasevereproblem______________centuryinBritain.Atthattime,Britainwasexperiencingaboomin________.Factoriesandhomes______________,whichcreatedsmog.HealsomentionedtheheavysmoginLondon__________________________________________in1952.LatertheUKgovernmentrestricted____________inhomesandforcedfactoriesto__________________________.Assmogisharmfultoeveryone,theexpertadvisedusto_____________________________________,use_____________________________,andfurtherdevelop________________.Summarisetheinformationyougot

Howcanwelistenforaclearergoal?Whentherewerenumbers,weunderlinedthedifferentnumbersandpronouncedinadvance.Whilelistening,welookatthequestionsfirst,andcircle

theimportantwords.Iprefertolisten

totheradioformanytimes,thenIwillturntothescripttounderstanditbetter.Well,Britainwasoneof

andfactoriesandhomesusedlotsofcoal.Whenburnt,thecoalproducedharmfulemissionswhichcreatedlotsofsmog.InLondon,theyalsocalledthesmoga“peasoup”becauseitwasasthickassoup.“Smog”comesfromacombinationofthewords“smoke”and“fog”.ItoriginatedinBritain

,whensmogwasasevereproblem.Thatsoundsterrible!Whatproblemsdiditcause?HostessBenDrakeHostessHostessBenDrakeintheearly20thcenturythefirstindustrialcountriesGoodmorning,listeners.Airpollutionisaseriousproblem,withurbanpopulationsparticularlyatriskfromsmog.BenDrakeisanexpertonairpollution,andheisjoiningustodaytotalkaboutthisissue.Ben,wheredoestheword“smog”comefrom?Whywasitsobadthen?BenDrakeHostessBenDrakeHostessBenDrakeThankyou.Smogcausedmanyhealthissuesandkilledmanypeople.TheworstcasehappenedinLondonin1952.Overafewdayswhenthesmogwasparticularlybad,4,000deathswererecorded.Itwasnecessaryto

.TheUKgovernmentorderedpeople

andforcedfactoriesto

.takeimmediateactionnottoburncoalintheirhomesmoveawayfromcitycentresButsmogisstillanimportantissueinmanyplaces.Whatcanbedoneaboutit?Smogisharmfultoeveryone,especiallytochildren,oldpeople,andthosewithheartorlungproblems.Wehaveto

and

foreveryone’shealthandwellbeing.Weshould

,____________andweneedtouse

.Wehavethe

,butwemustuseanddevelopit.reducesmogimproveairquality

replacecoalwithcleanerformsnew

energy-efficient

vehiclestechnologyofenergyYes.Let’shopewecanmakesomebigchanges.Thanks,Ben.TIPS:SummarizeinformationListeningforthedetailsBenDrake,anexportonairpollution,isbeinginterviewedontheradio.Hesaidthatsmogwasasevereproblem______________centuryinBritain.Atthattime,Britainwasexperiencingaboomin________.Factoriesandhomes______________,whichcreatedsmog.HealsomentionedtheheavysmoginLondon__________________________________________in1952.LatertheUKgovernmentrestricted____________inhomesandforcedfactoriesto__________________________.Assmogisharmfultoeveryone,theexpertadvisedusto_____________________________________,use_____________________________,andfurtherdevelop________________.industry

usedlotsofcoalwasparticularlybadandcausedintheearly20th

burningmoveawayfromcitycentersreplacecoalnewenergy-efficientvehiclesgreentechnologyover4000deaths

coalwithcleanerformsofenergyPost-listeningHaveyouexperiencedheavysmogwhereyoulive?WhatdoyouthinkarethemajorcausesofsmoginChina?

Whatmeasureshavethegovernmentandcitizenstakentohelpaddresstheproblem?Workingroups.Discussthequestions.majorcausemeasurescoalfactoryemissionsvehiclesemissionsrestrictedburncoalforcedfactoriestomoveawayfro