Unit 2Topic 3 What can we do to protect the environmentA (3)

Unit2SavingtheEarthTopic3Whatcanwedoathometoprotecttheenvironment?SectionADoyouknowhowthesekindsofpollutionaffectourenvironment?Whatshouldwedotoimproveourenvironment?Whatdotheymean?Areyouagreenerperson?WhichdayistheWorldEnvironmentDay?Canyousortthegarbage?Whatcanwedoathometoprotecttheenvironment?Weshouldreducethewasteweproduce.Forexample,weshouldusebothsidesofpaperandreuseplasticbags.Listento1aagainandanswerthequestions.(1)Whoisworkingforanorganizationthatprotectstheenvironment?Jane.(2)What’shermainjob?Hermainjobistohelpspreadthemessageaboutprotectingtheenvironment.(3)Shouldweusebothsidesofpaper?Yes,weshould.(4)Whyistherecyclinguseful?Itcanprotecttheenvironment,anditcansavemoney,too.1aListen,lookandsay.1bListento1aandcompletethetable.organizationprotecttheenvironmentspreadthemessagereducethewastewastepaper AninterviewwithJane whereJaneworks inan________________to______________________ whatJaneisdoing helping________________aboutprotectingtheenvironment whatwecandoathome ________________weproduce whatstudentscandoatschool collect__________andsoftdrinkcansKeywords1.workforanorganization2.helpspreadthemessage3.thethreeR’s---reduce,reuseandrecycle4.reducethewaste5.reuseplasticbags6.recycle7.encouragesb.todosth.8.sortRetellit1cRead1aandcompletethesentences.ThethreeR’s---______,______and_______---areimportant.Athome,wecan,forexample,useboth______ofpaperandreuse_____bags.Atschool,studentsareencouragedto_____wastepaperand______________becauserecyclingcanprotectthe____________and_______money.Thenwe_______them______theycanberecycled.reducereuserecyclesidesplasticcollectsoftdrinkcansenvironmentsavesortsothat (1)Weshoulduseplasticbagsasfewaspossible. (2)Weshouldthrowthegarbageintheriver. (3)Weshouldreducethewasteweproduce. (4)Weshouldusebothsidesofpaper. (5)Weshouldthrowtheplasticbagsratherthanreusethem.Youcannodorshakethehead!Noddingtheheadmeansagreement.Shakingtheheadmeansdisagreement.v.点头n.同意 (1)Younodyourheadanditmeansagreement. (2)Hurryup,oryou’llmissthetrain. (3)Waterisimportantbutsomepeopledon’tsaveit. (4)Somepeopleprotectanimalswhileotherskillanimals.并列句连词or,and,but和while的用法①表示并列关系，用and…②表转折，用but,while…③表选择，用or…2Combinethesentenceswithor,and,butorwhile,makingsomechangesifnecessary. 1.Noiseisakindofpollution.It’sharmfultoourhearing.Noiseisakindofpollutionandit’sharmfultoourhearing. 2.Workhard.Youwillfailtheexam.Workhard,oryouwillfailtheexam. 3.Noddingtheheadmeansagreement.Shakingtheheadmeansdisagreement.Noddingtheheadmeansagreementwhile/butshakingtheheadmeansdisagreement. 4.Hurryup.Youwillmissthebus.Hurryup,oryouwillmissthebus. 5.Hehasfailedseveraltimes.Henevergivesup.Hehasfailedseveraltimes,buthenevergivesup.放弃3aReadthetableandwritethecorrectletterundereachpicture.Thensortthegarbagebasedonyourownknowledge.papercupsglassbottlescansplasticbagsnewspapers3aReadthetableandwritethecorrectletterundereachpicture.Thensortthegarbagebasedonyourownknowledge.√√√√√3bListentotheconversationandcheckyouranswersin3a. Typeofgarbage Recycled Reused Reduced plasticbags papercups cans newspapers glassbottlesWow!We’vegotsomuchgarbage!Softdrinkcans,lunchboxes,plasticbottles,batteries,wastepaper,paperbagsandcups,…4SupposeyouwillhaveaClean-upDay.Workingroupsandfindoutthegarbage.Thensortthembasedon3aandtalkaboutthem.A:Ithinklunchboxesshouldbereused.B:Whataboutwastepaper?A:Ithink…Welearn:1.Somewords:nod,agreement2.Somephrases：giveup3.Somesentences:(1)Weshouldreducethewasteweproduce.(2)Recyclingcanprotecttheenvironment,anditcansavemoney,too.Wecan:1.Usethecompoundsentenceswithor,and,butandwhile.2.Talkaboutenvironmentalprotection. Read1a. Memorizetheusefulexpressionsandkeysentenceswhichwelearntoday. FinishSectionAinyourworkbook. PreviewSectionB.