Unit2__Topic3__SectionB__精品课件

Unit2SavingtheEarthTopic3Whatcanwedoathometoprotecttheenvironment? SectionBLet’splayagame.Sayasentencewithand,or,but&whilelikethisonebyone.A:IlikeEnglishandI’mgoodatit.B:IamgoodatEnglishwhilemygoodfriendisgoodathistory.C:Mygoodfriendisgoodathistorybut…reusereducerecycleothersHowdoyousortthegarbageyou’vecollectedonyourownClean-upDay.plasticbottles...paperbagsandcups...lunchboxessoftdrinkcans,plasticbottles,wastepaper,glass,paperbagsandcups...batteries...Whatshouldyoudoifyouwouldliketobeagreenerperson?Youshouldsortthegarbage.=Yououghttosortthegarbage.oughtto应该情态动词oughtto+动词原形oughtnotto+动词原形Youshould/oughtto…shutofftheelectricityn.电，电能关闭e.g.Youshould/oughttoshutofftheelectricitywhenyouleavearoom.Youshould/oughttorideabiketoyourschool.Youshould/oughttotakeabustoschoolinsteadoftakingataxi.Youshould/oughttotakeaclothbagwhenyougoshopping.1bListento1aandchoosethecorrectanswers.1.JaneandMichaelaremainlytalkingabout_______.whyweshouldshutofftheelectricitywhenweleavewhatweshouldusewhenwegoshoppinghowtobeagreenerperson2.Actionsspeaklouderthanwordsmeans____.wordsarenotasloudasactionstodowellisbetterthantosaywellactionscanspeak,butwordscan’tdoitActionsspeaklouderthanwords.RemembersomeEnglishidiomsandtrytousethemoften.Easiersaidthandone.说起来容易做起来难。行动胜于言辞。1cRead1aandcompletethetable.YououghttoshutofftheelectricitydistancetakeabusorataxiwalkorrideabikesaveenergyreduceairpollutiontakeaclothbagplasticbagsRetellit Tobeagreenerperson 1._______________________________whenyouleavetheroom.2.Ifyoutravelashort__________,youshouldn’t_________________,but________________.Sothishelpsto___________and____________.3.Whenyougoshopping,you’dbetter_____________insteadofusing_____________.Retell1alikethis:Iwouldliketobeagreenerperson.FirstIoughttoshutofftheelectricitywhenIleavearoom.Second,I’dbetterwalkorrideabikeinsteadoftakingabusorataxiifItravelashortdistance.Iwillsaveenergyandreduceairpollution.Third,IwilltakeaclothbagwhenIgoshopping.Iwon’tuseplasticbags.It’seasytobeagreenerperson.Howcanwebecomeagreenerperson?2Choosethecorrectverbsorphrasestocompletethestatements.Thenmatchthemwiththerightpictures.shutoffreducegrowrecycleridecoveruse ______waste.Don’tbuycupsorboxeswhichcanbeusedonlyonce. Saveelectricity.________theelectricitywhenyouarenotusingit. ________boxesandplasticbottles. ________fruitandvegetablesyourself. Tryto________abikewhenyoutravel. _________bothsidesofthepaper. __________panswhenyouarecooking.ReduceShutoffRecycleGrowrideUseCover2Matchthemwiththerightpictures.①Reducewaste.Don’tbuycupsorboxeswhichcanbeusedonlyonce.②Saveelectricity.Shutoffthelightswhenyouarenotusingthem.③Recycleboxesandplasticbottles.④Growfruitandvegetablesyourself.⑤Trytorideabikewhenyoutravel.⑥Usebothsidesofthepaper.⑦Coverpanswhenyouarecooking.3Readthepassageandfillintheblankswiththecorrectwords.Thenlistenandcheck.Thefirstletterofeachwordisgiven.Theearthisourhome.Somethingswehavedonearegoodfortheearthw_____somearebad.Wehavepollutedtheearth,a______itissicknow.Wec_____downtoomanytrees,solotsofrichlandhasc_______intodesert.Factoriesp____wastewaterintorivers.Pollutionhascausedmanys_____problems.Theearthiscryingforhelp.Whatshallwedotosaveit?Weshouldplantmoretrees,r_________thewasteweproduce,r_________thewastepaperandsoftdrinkcans,andridebikestoreduceairpollution.Ithinkweshouldtrytobeg_________peopletoprotectourearth.Afterall,wehaveonlyoneearth.Weshoulddoe_________toprotectit,orwe’llbepunishedandloseourhome.hilenduthangedoureriouseduceecyclereenerverything毕竟，归根结底4Workingroupsandsurveyyourgroupmembersaboutwhattheydotobegreenerpeople.Thenreportittoyourclass.Payattentiontothestress,liaison,incompleteplosionandintonation.Example:A:`Wha(t)doyou`often`dotobea`greenerperson?B:Well.`I`always`shutofftheelectricitywhenI`amnot`usingit.A:`Good.`Whataboutyou,`John?C:…You____________(应该)throwtherubbishintothegarbage.Youshould____________(关闭)theelectricitywhenyouleavearoom.You’dbetterwalkorrideabike___________(代替)takingabusorataxiifyoutravelashortdistance.It’sso______(容易)tobeagreenerperson.______________________________.(行动胜于言辞)oughttoshutoffinsteadofeasyActionsspeaklouderthanwordsWelearn:1.Somewords:action,distance,electricity2.Somephrases:oughtto,shutoff,afterall3.Someusefulsentences:(1)Wouldyouliketobeagreenerperson?(2)First,yououghttoturnoffthelightswhenyouleavearoom.(3)Easiersaidthandone.(4)Well,actionsspeaklouderthanwords.WeCan:1.Usetheproperwaystoprotecttheenvironmentinourlife.2.Talkaboutthegreenerlifestyle. Read1a. Memorizetheusefulexpressionsandkeysentencesthatwelearntoday. FinishSectionBinyourworkbook. PreviewSectionC.