英语人教版九年级全册Unit13 We’re trying to....ppt

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1、Unit13We’retryingtosavetheearth!SectionA(1a---2d)Whatdidtheearthlooklikeinthepast?Weliveontheearth.Itusedtobegreenandblue.Itusedtobefullofgreengrass,trees,allkindsofbeautifulflowers,butnowithasbecomedesert.Thebirdsusedtosingeveryday,thefishusedtoswimintheriverandsea,theskyusedtob

2、eclear,peopleusedtobreaththefreshair,thefoodusedtobehealthy,but…Whatwastheproblemoftheearth?Theearthwaspolluted.Theenvironmentpollutionismoreandmoreserious.Theairwasfoggy.Manypeoplesaythatpassivesmokingalsoisharmfultoourhealth.Theriverwasreallydirty.Manyfishhavediedbecausethewate

3、rwaspollutedbythefactories.Theneighborhoodofourhousewasnoisy.Whatcausedtheproblem?Thefactoriesburncoalpollutertheairwithalotofblacksmoke.PeopleusuallysetofffirecrackerstocelebrateSpringFestival.Factoriespourwasteintotheriver.Trafficfumesareharmfultotheenvironment.Peoplearethrowin

4、glitterintotheriver.Therearemanycarsontheroad.Theyarenoisy.Youcanhearloudmusicinthestreet.1.airpollution:factories,smoking,cars,buildinghouse2.waterpollution:ships,rubbish,littering,factories3.noisepollution:loudmusic,mobilephones,buildinghouseHowshouldtheproblembesolved?Whatcanw

5、edotohelptheenvironment.Weshouldwritetothegovernmentandaskthetoclosedownthefactories.Everyoneshouldhelptocleanuptheriver.Millionoftreesshouldbeplantedtomakeourenvironmentmorebeautiful.ManyyoungpeopletookpartinplantingtreesonTreePlantingDay..Weshouldn’tcutdownthetreesbecausetreesc

6、anclearairandsavealotofwater.ToreducetheCO2intheair,peopleshouldstopridingincars.Whichisexpectedtoreducevehicleemission.Moreandmorepeopleshouldgotoworkonfootorbybikeratherthanbycar.Don’tmakesomuchnoisewhenwe’rehavingclassWhathappenedinalargeofChinarecently?Role-playtheconversatio

7、n.Makeyourownconversationsorarticlesaboutthekindsofpollutionin1a.CompositionMyLowCarbonLife