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unit2savingtheearth topic3whatcanwedoathometoprotecttheenvironment sectiona课件1 kindsofpollution airpollution waterpollution noisepollution litter soilpollution lightpollution theairsmellsterrible theflowersandgrasshavegone thewaterisdirty wemustdosomethingtoprotecttheenvironment whatshouldwedoorshouldn tdo listsomeofthemingroups thethreersareimportant threers reduce reuseandrecycle r r r threers youtry youcan journalist sowhatkindofthingscanwedoathometoprotecttheenvironment jane weshould forexample weshouldand journalist whatcanstudentsdoatschool jane ithinkrecyclingcannotonlyprotecttheenvironmentbutalsosavemoney soweencouragestudentsto thenwesortthemsothattheycanberecycled journalist it sniceofyoutodothat thankyou jane it sapleasure reducethewasteweproduce usebothsidesofpaper collectwastepaperandsoftdrinkcans everyoneissupposedtodoso reuseplasticbags brainstorm workalonefillintheblanksaccordingto1a 1 thejournalistis janeabout 2 jane smainjobis 3 weshoulduse andreuse athome 4 atschool studentscancollectwastepaperand 5 recyclingisanexcellentwaynotonlyto butalsoto interviewing environmentprotection tohelpspreadthemessageaboutprotectingtheenvironment bothsidesofpaper plasticbags softdrinkcans protecttheenvironment savemoney test 6 5 4 3 2 1 choosethepicturestogetyourquestions 连词or and but和while的用法 or否则的话and并且 而且but但是 表示转折while而 然而强调对比 noiseisakindofpollution it sharmfultoourhearing jointhesentenceswithor and butorwhile noiseisakindofpollutionandit sharmfultoourhearing home shewasbusycooking theywerewatchingtv jointhesentenceswithor and butorwhile shewasbusycookingwhiletheywerewatchingtv home hehasfailedseveraltimes henevergivesup jointhesentenceswithor and butorwhile hehasfailedseveraltimesbuthenevergivesup home somethingswehavedonearegoodfortheearth somearebad jointhesentenceswithor and butorwhile somethingswehavedonearegoodfortheearthwhilesomearebad home theearthisbeautiful peoplearehurtingtheearthnow jointhesentenceswithor and butorwhile theearthisbeautifulbutpeoplearehurtingtheearthnow home hurryup youwillmissthebus jointhesentenceswithor and butorwhile hurryuporyouwillmissthebus home 连词or and but和while的用法 jane wouldyouliketogoshoppingwithme i dliketo and jane wouldyouliketogoshoppingwithme i dliketo but aihavealotofhomeworktodo bialsowanttobuysomeclothes b a 连词or and but和while的用法 lucas getuporyouwill mike workhardandyouwill noddingtheheadmeansagreement shakingtheheadmeansdisagreement jointhesentenceswithor and butorwhile noddingtheheadmeansagreementwhileshakingtheheadmeansdisagreement noiseisakindofpollution it sharmfultoourhearing jointhesentenceswithor and butorwhile noiseisakindofpollutionandit sharmfultoourhearing keypoints 1 soweencouragestudentstocollectwastepaperandsoftdrinkcans 于是我们鼓励学生收集废纸和易拉罐 encouragesbtodosth鼓励某人做某事 mymomoftenencouragesmetostudyhard 政府鼓励人们多种树 thegovernmentencouragespeopletoplantmoretrees 派生词 couragen 勇气 妈妈经常鼓励我努力学习 2 it sniceofyoutodothat 你做这件事情真是太好了 当表语形容词是说明不定式的逻辑主语sb的特征时 用of it sverykindofyoutohelpmewithmyenglish 当表语形容词是说明不定式的特征时要用for it sveryimportantforustokeepfit 3 everyoneissupposedtodoso 每个人都有义务这样做 besupposedtodosth 应该 应当做某事 youweresupposedtobeherea

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