Unit+6+Earth+first++Listening+and+speaking 高一英語外研版（2019）必修第二冊

Unit6Period3ListeningandSpeaking新課導入Smogcomesfromthewords"smoke"

and"fog",anditisusedtodescribetheairpollutionincitiescausedmainlybytrafficandfactories.Smogcanbedangerousbecauseitcausessevere

breathingproblemsandinfections.課堂學習1Listentothelectureandchoosethetopicsthatarecovered.

1.Whattheword“smog”means.2.Whentheword“smog”appeared.3.Whatcausedsmoginthepast.4.Whatcausessmognow.5.Theeffectsofsmogontheenvironment.6.Howgovernmentstrytoreducesmog.7.Whatwillhappenifwedon’treducesmog.LearningtolearnApoliteinterruptionisusuallyframedasarequestforpermissiontointerruptsomeone,oftenstartingwithIf...,

MayI...?

orCanI...?ThismaybeprecededwithanapologysuchasSorry,...orExcuseme,...Usuallyweinterruptsomeonewhentheypauseforbreath,orduringtheslightpausebetweenspokenclauses.2Listenagainandcompletetheslides.1900s

TheGreatSmog

nowindchemicals

comingfromtraffic

requirementsofpayingtodrivechemicalsNowtalkaboutwhatthestudentssaytointerruptthelecturerpolitely.Listenagainifnecessary.Lecturer:Goodevening,everyone,andthankyouforcomingtotoday’stalk.I’mDrBrownandI’mgoingtotalkaboutairpollutionincities-whatweallknowas“smog”.Pleasefeelfreetostopmeifyouhaveanyquestions.So,firstofall,abitofhistory.Theterm“smog”wasfirstusedinthe1800sincitiesthathadproblemswithsmokeandfog.StudentA:Sorryforinterrupting,butIbelieveitwasinthe1900s.Lecturer:Sorry,Imadeamistake.Youareright.Itwasinthe1900s.Thankyou.Londonwasoneofthecitieswheresmogcausedbigproblems.InDecember1952,itsufferedfrom“TheGreatSmog”.Itwasaverycoldwinter,soalotofcoalwasburnedathomeandinthefactories.Theproblemwasthattherewasnowind,sothicksmogcoveredthecity.Nowadays...StudentB:Excuseme,butcanIjustask-didthesmogcauseanydeaths?Lecturer:I’mafraidso.Accordingtoresearch,about4,000peopleareknowntohavediedasaresultofthesmog,butthatnumbercouldbemuchhigher.Itwasterrible!Nowadays,smogstillexists,butisproducedbychemicalscomingfromtrafficandfactories.However,governmentsaretakingmeasurestoreducesmogasmuchaspossible.Now,let’slookatwhatsmogdoestoourhealth.StudentA:IfIcouldjuststopyouagain...Canyougiveusexamplesofthesemeasures?Lecturer:Well,forexample,factoriesmustfollowrulesaboutwhatchemicalstheyuse.Insomecities,whenthere’ssmog,peoplehavetopaytodriveinthecentre.Now,let’smoveontotheimpactofsmogonourhealth...3Workinpairsandtalkaboutrecycling.StudentATellStudentBaboutrecyclingusingtheinformationbelow.

BepreparedtobecorrectedbyStudentB.?Theclassificationofhouseholdwasteaimstohelppeopleseparatedifferenttypesofwaste.Thisisimportantbecausethesedifferenttypesofwastecanbedisposedoforrecycledappropriatelyandeffectively.?Householdwastecanberoughlydividedinto:*foodwaste*non-recyclablewaste*recyclablewaste,includingpaper,glass,plasticandusedbatteries?Chinaplanstointroducehouseholdwasteclassificationandsortinginthefirstbatchofcitiesby2020.OnlyBeijing,Shanghai,TianjinandChongqingareincludedinthefirstbatch.?Thetargetrecyclingrateinthesecitieshasbeensetat55%by2020.Usefulexpressions?Pleasefeelfreetostopmeifyouhaveanyquestions.?Sorry,I’vemadeamistake.?You’reright,...?I’mafraid

...?Well,...StudentBListentoStudentAtalkingaboutrecycling.Interruptpolitelytocorrecthim/herusingthefollowinginformation:?

Usedbatteriesareusuallyregardedasnon-recyclablewasteandshouldbedisposedofseparately.?ThefirstbatchofcitiestointroducehouseholdwasteclassificationandsortingincludesBeijing,Shanghai,Tianjin,Chongqingandallcapitalsofprovincesandautonomousregions.?Thetargetrecyclingrateinthesecitieshasbeensetat35%by2020.Usefulexpressions?Sorrytointerrupt,but...?Excuseme,butcanIjustask...??CouldIjuststopyouagaintocheck...??DoyoumindifIaskanotherquestion??Sorry,butIwaswonderingwhether...?IsitOKifIjumpinforasecond?SampleLecturer:Goodafternoon,everyone,andthankyouforcomingtotoday’stalk.I’mDrSmithandI’mgoingtotalkaboutrecycling.Pleasefeelfreetostopmeifyouhaveanyquestions.So,firstofall,thepurposeoftheclassificationofhouseholdwaste.

Theclassificationofhouseholdwasteaimstohelppeopleseparatedifferenttypesofwaste.Thisisimportantbecausethesedifferenttypesofwastecanbedisposedoforrecycledappropriatelyandeffectively.Andhouseholdwastecanberoughlydividedinto:foodwaste;non-recyclablewaste;recyclablewaste,includingpaper,glass,plasticandusedbatteries.StudentB:Sorryforinterrupting,butIknowthatusedbatteriesareusuallyregardedasnon-recyclablewasteandshouldbedisposedofseparately.Lecturer:

Sorry,I’vemadeamistake.Youareright.Usedbatteriesarenon-recyclablewaste.Thankyou.

Chinaplanstointroducehouseholdwasteclassificationandsortinginthefirstbatchofcitiesby2020.OnlyBeijing,Shanghai,TianjinandChongqingareincludedinthefirstbatch.StudentB:

CouldIjuststopyouagaintocheckthatyousayonlyBeijing,Shanghai,TianjinandChongqingareincludedinthefirstbatch?AsfarasIknow,notonlycitiesBeijing,Shanghai,TianjinandChongqing,butallcapitalsofprovincesandautonomousregionsareincluded.Lecturer:Sorry,Imadeamistakeagain.Thanksforyourcorrection.Thetargetrecyclingrateinthesecitieshasbeensetat55%by2020.StudentB:

IsitOKifIjumpinforasecond?Infact,Thetargetrecyclingrateinthesecitieshasbeensetat35%by2020.4Workinpairs.Talkaboutanotherenvironmentalproblemandhaveasimilarconversation.?

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