外研必修第二册Unit6Period3Listeningandspeaking

教学目Lead-in视频：雾霾

Smogcomesfromthewords“smoke”and“fog”,anditisusedtodescribetheairpollutionincitiescausedmainlybytrafficandfactories.Smogcanbedangerousbecauseitcausesseverebreathingproblemsandinfections.

12Abletounderstandthelisteningmaterialandcompleterelatedexercises.Tolearnhowtointerruptotherspolitelyandknowhowtorecycle.

目标一:Abletounderstandthelisteningmaterialandcompleterelatedexercises.Activity1:Listentothelectureandchoosethetopicsthatarecovered.1.Whattheword“smog”means.2.Whentheword“smog”appeared.3.Whatcausedsmoginthepast.4.Whatcausessmognow.5.Theeffectsofsmogontheenvironment.6.Howgovernmentstrytoreducesmog.7.Whatwillhappenifwedon’treducesmog.

Smoginthepresent?Causesoftheproblem:4___________________________andfactories?Measures:rulesaboutusing5__________infactoriesand6_____________________________inthecitycentreSmoginthepast?Termcreatedin:1__________?BigprobleminLondon:2__________________inDecember1952?Causesoftheproblem:burningtoomuchcoaland3___________Activity2:Listenagainandcompletetheslides.1900sTheGreatSmognowindchemicalscomingfromtrafficrequirementsofpayingtodrivechemicals

目标二:Tolearnhowtointerruptotherspolitelyandknowhowtorecycle.Activity1:Nowtalkaboutwhatthestudentssaytointerruptthelecturerpolitely.Listenagainifnecessary.Lecturer:Goodevening,everyone,andthankyouforcomingtotoday’stalk.I’mDrBrownandI’mgoingtotalkaboutairpollutionincities-whatweallknowas“smog”.Pleasefeelfreetostopmeifyouhaveanyquestions.So,firstofall,abitofhistory.Theterm“smog”wasfirstusedinthe1800sincitiesthathadproblemswithsmokeandfog.StudentA:Sorryforinterrupting,butIbelieveitwasinthe1900s.

Lecturer:Sorry,Imadeamistake.You