英语初中三年级上册 Unit 2 Topic 3 Section A

Unit2SavingtheEarthTopic3Whatcanwedoathometoprotecttheenvironment?,SectionA,Doyouknowhowthesekindsofpollutionaffectourenvironment?,Whatshouldwedotoimproveourenvironment?,Whatdotheymean?,Areyouagreenerperson?,WhichdayistheWorldEnvironmentDay?,Canyousortthegarbage?,Whatcanwedoathometoprotecttheenvironment?,Weshouldreducethewasteweproduce.Forexample,weshouldusebothsidesofpaperandreuseplasticbags.,Listento1aagainandanswerthequestions.,(1)Whoisworkingforanorganizationthatprotectstheenvironment?Jane.(2)Whatshermainjob?Hermainjobistohelpspreadthemessageaboutprotectingtheenvironment.(3)Shouldweusebothsidesofpaper?Yes,weshould.(4)Whyistherecyclinguseful?Itcanprotecttheenvironment,anditcansavemoney,too.,1aListen,lookandsay.,1bListento1aandcompletethetable.,organization,protecttheenvironment,spreadthemessage,reducethewaste,wastepaper,Keywords,1.workforanorganization2.helpspreadthemessage3.thethreeRs-reduce,reuseandrecycle4.reducethewaste5.reuseplasticbags6.recycle7.encouragesb.todosth.8.sort,Retellit,1cRead1aandcompletethesentences.,ThethreeRs-_,_and_-areimportant.Athome,wecan,forexample,useboth_ofpaperandreuse_bags.Atschool,studentsareencouragedto_wastepaperand_becauserecyclingcanprotectthe_and_money.Thenwe_them_theycanberecycled.,reduce,reuse,recycle,sides,plastic,collect,softdrinkcans,environment,save,sort,sothat,(1)Weshoulduseplasticbagsasfewaspossible.(2)Weshouldthrowthegarbageintheriver.(3)Weshouldreducethewasteweproduce.(4)Weshouldusebothsidesofpaper.(5)Weshouldthrowtheplasticbagsratherthanreusethem.,Youcannodorshakethehead!Noddingtheheadmeansagreement.Shakingtheheadmeansdisagreement.,v.点头,n.同意,(1)Younodyourheadanditmeansagreement.(2)Hurryup,oryoullmissthetrain.(3)Waterisimportantbutsomepeopledontsaveit.(4)Somepeopleprotectanimalswhileotherskillanimals.,Discussthewordsunderlined,并列句,连词or,and,but和while的用法,表示并列关系，用and表转折，用but,while表选择，用or,2Combinethesentenceswithor,and,butorwhile,makingsomechangesifnecessary.,1.Noiseisakindofpollution.Itsharmfultoourhearing.Noiseisakindofpollutionanditsharmfultoourhearing.2.Workhard.Youwillfailtheexam.Workhard,oryouwillfailtheexam.3.Noddingtheheadmeansagreement.Shakingtheheadmeansdisagreement.Noddingtheheadmeansagreementwhile/butshakingtheheadmeansdisagreement.4.Hurryup.Youwillmissthebus.Hurryup,oryouwillmissthebus.5.Hehasfailedseveraltimes.Henevergivesup.Hehasfailedseveraltimes,buthenevergivesup.,放弃,3aReadthetableandwritethecorrectletterundereachpicture.Thensortthegarbagebasedonyourownknowledge.,papercups,glassbottles,cans,plasticbags,newspapers,3aReadthetableandwritethecorrectletterundereachpicture.Thensortthegarbagebasedonyourownknowledge.,3bListentotheconversationandcheckyouranswersin3a.,Wow!Wevegotsomuchgarbage!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.Talkabouten