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1、Unit13Wearetryingtosavetheearth!教案及练习题Unit13e’retringtsavetheearth!一、教学目标：1语言知识目标基本词汇：litter,advantage,btt,fisheran,al,ugl,st,den,plasti,taeaa,bin,shar,fin,ethd,ruelHarful,hain,esste,industr,la,sientifi,affrd,reusable,transprtatin,rele,napin,upside,gate,bttle,president,inspiratin,irn,r,e
2、tal,reativit,基本词组：beharfult,atthetp(fsth),taepartin,turnff,taeatin,thraa,putsthtgduse,pull…dn,bringba基本句型：e’retringtsavetheearth!TheriverusedtbesleanTheairisbadlpllutedNsientifistudieshaveshedthatsharfinsaregdfrhealtheshuldhelpsavetheshars2技能目标:能正确运用现在进行时，现在完成时，被动语态，情态动词和usedt句型。3情感目标:有环
3、境危机意识，学会关注环境保护环境。二、教学重难点：1教学重点：（1）能正确运用现在进行时，现在完成时，被动语态，情态动词和usedt句型。（2）保护环境的措施方法。2教学难点：能正确运用现在进行时，现在完成时，被动语态，情态动词和usedt句型。三、教学步骤:SetinA1(1a-2d)IPresentatinShthepitureftheearthandtellstudentstheearthispllutednFrexaple:(1)Thefatriesthatburnalpllutetheairithaltfblase(2)Fatriesputasteintthe
4、river(3)Pepleshuldthraalitterinthebin(4)TherearerearsntheradIILearningHereareserdsrelatedtdifferentindsfpllutinritetheinthebxbelThenaddrerdsludusiarsrubbishplaneslitteringshipsfatriessingbuildinghusesbilephnesnisepllutinairpllutinaterpllutin_______________________________________________
5、_________________________________________________________________________________________________es:nisepllutinludusiplanesbilephnesbuildinghusesairpllutinfatriessingarsbuildinghusesaterpllutinshipsrubbishlitteringfatriesIIIListening11bListenandpletethesenteneshatastheprble?Theriveras___
6、__________Eventhebtt(底部)ftheriverasfullf________Thereerenre______frfisheren(渔民)tathhatausedtheprble?Peplearethring_______inttheriverFatriesareputting______inttheriverHshuldtheprblebeslved?eshuldritetthe____________andasthet___________thefatriesEverneshuldhelpt__________theriveres:realldi
7、rtrubbishfishlitterastegvernentlsednleanup2Listenagainandhe(√)thesentenesuhear1)euldgfishingintheriver2)Theriverasrealldirt3)Theriverhasalasbeentheniestriverinthistn4)eshuldastheteahersfrhelpes:23IVPratie1Rle-plathenversatinin1ar:TheriverasdirtEventhebttftheriverasfullfru
