Unit13SectionB(1a1e)課件人教版九年級英語全冊

Unit13Wearetryingtosavetheearth.SectionB（1a-1e)Doweliveonabeautifulplanet?Areyousatisfiedwithourlivingenvironment?Oneday,somethingworsehappened.TheearthisfightingwithaROBOTthatwantstodestroytheearth.Howcanwehelptheearthwinthefight?Thingswecandotohelpsavetheearth!Turnoffthelightwhenleavingaroom.Turnofftheshowerwhenwashingyourhair.Usereusablebagsinsteadofplasticbags.Don’tusewoodenchopsticksorplasticforksorbowls.Don’tusepapernapkins.Recycleoldbooks,clothesandtoys.Takethebusorwalktoschool.Stopridingincars.Putthewasteintodifferentkinds.(wastesorting)Plantmoretrees.Takepartinanenvironmentalproject.……Besidesusingimperativesentences(祈使句),wecanalsousemodalverbs(情態(tài)動詞),tosharethethingswecandotohelpsavetheearth.cancan’tcouldwouldhavetoshouldmustmaymightmustn’tWhatdoyouoftendotosavetheearth?Rankfromtheeasiesttothemostdifficult!Wecanalsousedifferentsentencestructurestotalkaboutthethingswecando.Share:Whatistheeasiestforyoutodo?Whatisthemostdifficult?…..iseasyforme,because….Itiseasyformeto…,because…Ifinditeasyformeto…because……..ishardforme,because….Itishardformeto…,because…Ifindithardformeto…because…Listenandcheckthethingsthat:Juliaisdoingnow;Juliewilldointhefuture;Juliewouldneverdo.Listenandfillintheblanks.Turningoffthelightssaves__________________.Juliahasveryshorthair,soitonlytakes___________towash.Juliewilltakeherownbagswhenshe__________fromnowon.Jackthinksridingbikesisgoodforthe_____________.Juliadidn’ttakeJack’sadvicebecauseitwouldtakeher_______minutestoschoolbybike.electricityafewminutesgoesshoppingenvironment45TheEarthisafineplaceandworthfightingfor.---ErnestHemingway.Savingtheearthstartswithsmallthings.Whenthesmallthingsaddup,theycanmakeagreatdifferencetohelptheworldwinthefight.Wereallyshouldn’tusepapernapkins,youknow.Iknow.Istoppedusingthemlastyear.Makeaconversationusingtheinformationfromthechartabove.Saywhatistrueforyou.Youshouldturnofftheshowerwhenyou’rewashingyourhair.Oh,Iwouldneverdothat.Ihaveveryshorthair;itonlytakesafewminutestowash.Weshouldtakeourownbagswhenwegoshopping.Oh,that’seasy.I’lldothatfromnowon.By

2025,rubbishontheearthwillreach2billiontons!TraditionalwaystoprocesswasteDisadvantages:occupying(占用)land；expensive;causingsecondarypollution(二次污染)burying(填埋)burningWhatcanwedowithplasticbottles?growflowersWecanusethemto...makeartworksWhatcanwedowitholdclothes?Wecanusethemto...Wecando:stopridingthecars，reducethepollutiondon’tthrowawaythebottles,cansandpaperwhichwehaveused,recyclebooksandpaperandreusethemstopusingone-offchopsticksdon’tuseplasticbags,takeyourownclothbagswhenshoppingplantmoretr