1a2d）litter,bottom,fisherman,coal,ugly,advantage,cost,wooden,plastic,takeaway,bin，atthetop,takepartin,beharmfulto掌握以下句型：1.We,aretryingtosavetheearth.2.Weshoulddosth.3.Itusedtodosth.在聽(tīng)力材料中完成對(duì)目標(biāo)語(yǔ)言的掌握和運(yùn)用（4）讓學(xué)生學(xué)會(huì)關(guān)注和保護(hù)環(huán)境。LanguageAbilities(語(yǔ)言能力)GraspthefollowingimportantpointsaswellasbeabletoLearningAbilities(學(xué)習(xí)能力)ThinkingQualities(思維品質(zhì))CulturalAwareness(文化意識(shí))三、教學(xué)重難點(diǎn)TeachingimportantanddifficultTeachingsteps五、教學(xué)活動(dòng)及設(shè)計(jì)目的Teachingactivitie五、教學(xué)活動(dòng)及設(shè)計(jì)思路教學(xué)環(huán)節(jié)教學(xué)內(nèi)容設(shè)計(jì)目的Step1.LeadinLet’senjoysomepictures..T:Howdoyouliketheseplaces?T:Howdoyoufeel?Thereistoomuchpollution.2.Q&AT:Whatkindsofpollutiondoyouknow?S：Landpollutionwaterpollutionairpollutionnoisepollution……ToactivateSs'interest；toleadtothetopicofpollution，toprepareforthenextactivity.激發(fā)學(xué)生學(xué)習(xí)興趣，引出“污染“”這一話(huà)題，為下個(gè)活動(dòng)做準(zhǔn)備。Toleadtothepresentationnaturally,andlearnaboutexpressionsaboutdifferentpollution.自然過(guò)渡到新課呈現(xiàn)，也學(xué)習(xí)不同類(lèi)型的污染的表達(dá)。Step2PresentationPrelistening（Workon1a.）Herearesomewordsrelatedtodifferentkindsofpollution.Writethemintheboxbelow.Thenaddmorewords.Whilelistening（Workon1b.）Listenandpletethesentences.Listenagainandanswersomequestions.PostlisteningListenagainandread.Watchthevideoandimitate.(3)Workon1C.Roleplaytheconversation.(4)Lookandtalk.Q1:Whatkindofpollutionhasbeenshowedinthispicture?Whatdoyouthinkhascausedthispollution?Q2:Whatkindofpollutionhasbeenshowedinthispicture?Whatdoyouthinkhascausedthispollution?Q3:Whatkindofpollutionhasbeenshowedinthispicture?Whatdoyouthinkhascausedthispollution?(5)Workon1c.Makeyourownconversationsaboutthekindsofpollutionin1a.Prelistening(Workon2a)Youknow,Wehaveonlyoneearthtoliveon.Soitisveryimportanttotakecareofenvironment.Buthow?Let’slistentosomeideasfromJasonandSusan.Listentotheinterview.CirclethekindsofpollutionthatJasonandSusantalkabout.Whilelistening(Workon2b)Readandtrytopredicttheanswers.Listenagainandpletethesentences.Watchavideoandlearnmore.PostlisteningListenandreadtheconversation.Workon2c.Usetheinformationin2aand2btoroleplayconversationsbetweenJasonandSusan.Workon2d.Readtheconversationin2dandfillinthechart.T:Howcanwehelpchangethissituation?WhatareJasonandSusan’sopinions?Jason(S1):takethebusorsubwayinsteadofdriving,nevertakewoodenchopsticksorplasticforksSusan(S2):rideabike,bringabagtogoshopping,throwrubbishinthebinsT:Ouractionscanmakeadifferenceandleadtoabetterfuture!DiscussionQ1:Whatareyourideasforsolvingtheproblemofairpollution?A1:Weshouldwalk,ridethebike,takethebusorsubwayinsteadofdriving.A2:Weshouldplantmoretrees.Q2:Whatareyourideasforsolvingtheproblemoflandpollution?A1:Useclothbagswhenyougoshopping.Useyourownchopstickswhenyoubuytakeawayfood.A2：Wedorubbishclassification.Weshouldalsorecycle.GroupWork.Talkaboutthedifferentkindsofpollutionandshareyourideasforsolvingtheseproblems.Thenwritethemdownonyourposter.Sublimateemotion.Languagepoints.Tothinkaboutdifferentwordsaboutpollution，todescribethepicturesandprepareforthelisteningpart.討論并寫(xiě)出各種污染相關(guān)詞匯，討論聽(tīng)力圖片，為下文的聽(tīng)力做準(zhǔn)備TohelpSsgetbasicinformationbyfillingblanks;tohelpthemunderstandtheconversation.通過(guò)填表幫助學(xué)生了解對(duì)話(huà)中的基本信息，為學(xué)生理解對(duì)話(huà)內(nèi)容作準(zhǔn)備。ToimproveSs’slisteningandspeakingskill，tohelpSslearnmoreabouttheconversation.提高學(xué)生的聽(tīng)力和表達(dá)能力，幫助學(xué)生了解對(duì)話(huà)內(nèi)容ToimproveSs'abilityofthinking;EnrichSs’knowledgeaboutpollution為了提升學(xué)生的思考能力，豐富學(xué)生在對(duì)于染的相關(guān)知識(shí)儲(chǔ)備TohelpSsunderstandtheconversationbetterandprepareforthefollowingactivities幫助學(xué)生更好地理解對(duì)話(huà)內(nèi)容，為后續(xù)活動(dòng)做鋪墊Tounderstandtheconversationandgetmoredetailinformation,tocultivateSs’listeningskills.理解對(duì)話(huà)，獲取細(xì)節(jié)信息，培養(yǎng)聽(tīng)力技能Tolearntheconversationbyfillingtheblanks,toroleplaytheconversationtostimulateSs’smotivationofspeaking通過(guò)練習(xí)掌握對(duì)話(huà)內(nèi)容，角色扮演激發(fā)學(xué)生學(xué)習(xí)動(dòng)機(jī)TocheckwhetherSsunderstandthechangeofthefeeling,TodevelopSs’speakingskillsbyfillingtheblanks檢測(cè)學(xué)生是否了解對(duì)話(huà)中情感的變化，通過(guò)填表來(lái)培養(yǎng)學(xué)生的表達(dá)能力ToencourageSstothinkaboutthewaystosolvingproblemsofpollution,tocollectingmaterialforwriting鼓勵(lì)學(xué)生思考解決污染問(wèn)題的方法，為相關(guān)話(huà)題的寫(xiě)作積累素材Gooverimportantlanguagepointsinthispart，tofurtherconsolidateandreviewthembyexercising復(fù)盤(pán)此部分的重點(diǎn)知識(shí)點(diǎn),通過(guò)練習(xí)進(jìn)一步鞏固與復(fù)習(xí)六、板書(shū)設(shè)計(jì)Blackboarddesign（1）Whatkindsofpollutiondoyouknow?(2)