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Unit3CarefortheEarth第三课时Teachingtarget:1TeachingthetextofpartB2Learnthenewphrases:carefor,herewithus,dobadthingsto,o

nlyone,toomuch,toomany.Teachingimportance:thephrasesandthetext.Teachingdifficult:learnsomethingabouthowtocarefort

heearthTeachingtools:CAIandaradio.Teachingsteps:Step1ReviewStep2Leadin1Showthepictureoftheearth.Letthestudents

tosaysomethingaboutit.Teach“onlyone”eg:wehaveonlyoneearth.2Showsomepictureslikegreentrees,redflowers,cleanwaterandsoon.Askthem

totalkaboutthem.Use“wecansee...”thenretell“thereare....”Lookthepassage.(explainherewithus.Therearemanyteacherswithus.)3Showanotherpict

uresthatwedobadthingstoourearth.Eg:wecutdowntoomanytrees.Wemakethewaterandtheairdirty.Wewastetoomuchwater.wekilltheanimals.Tellthem

,thesearethatwedoforourearth.“whatbadthingsdowedotoourearth?Leadthemtoanswer:”we...”Teachersays“yes.Wedosomanybadthingstoourearth.Wecutdownt

oomanytrees.Wewastetoomuchwater.”teach“toomuch””toomany”eg:toomanyflowers/animalstoomuchjuice/milkAreweright?Whatshouldwedo?Let’sliste

ntothetextfirst.Step3Newteaching1Listenandanswer“whatshouldwedo?”“Weshoulddosomethingtomakethewaterandtheaircleanagain.We

should...”2Readtogether,thentickandcross.Dosomepracticeonpage20.3Watchthevideo,thentalksomethingthatyouwant

tosay.Step4Summaryandhomework1Saytogether:wehaveonlyoneearth.Weshouldcarefortheearth.2HomeworkTeachingdesign: