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Unit2OppositieworldLesson12Clean＆DirtyKelly&Class3,Grade3Let'sreviewit!Let'slistenandsingtogether.1.Listenfirst.2.Thensingtogether.Whatopposi

tewordscanyou?open&closedirty&cleangood&badwet&drylong&shortin&outhot&coldfat&slimfew&manydark&lightgive&takef

ar&nearWhatoppositewordscanyoulearn?good&badin&outgive&takeMymomalwaysgives____T-shirtwithme.ButShealways____sthe____T_shirtback.Somy

momthinksitis______toplay____side.ButIthinkitis_____toplay____side.Lesson12(Listencarefully）音频）Lookanssay.(Part1）•A:L

ook,therearesomanyfishinthispond.B:Wonderful.Lookandsay(Part2)•Therearenofishinthispond.Why,Mom?????

?Why?Be...causethispondis...Fishcan?cannot?liveindirtywater.Why?Becausethispondis...Fishcan?cannot?liveindirtywater.About

ourschool.Look,therearesomanyteachersandstudentsinour...Ourschoolisvery...Wecanstudyandplayinthisschool.Lookandread.Wri

teYesorNoontheline.（书P27）•(1)Thewaterinthepondisclean.•(2)Theriverisdirty.NOYesLookandread.WriteYesorNoonthe

line.•(3)Thewaterinthelakeisclean.•(4)Thecloudsintheskyaredark.YesNoCleanup!!!Canyouunderstand“clean”?***•Manyanimalsliveinthew

ater.Theyneedcleanwater.Manyplantsgrowinthewater.Theyneedcleanwater,too.Peoplealsoneedcleanwater.•Theyneedcleanwate

rtodrink,cook,andwash.？？drinkcookwash...dirty/cleanlivegood/bad•Somepeoplethrowtrash???intotheriverandlakes.•Theymakethewa

ter_____.Thisis____.Animalsandplantscannot____ind___water.•WeshouldKeeptheriversandlakesc_______.dirty/

cleanlivegood/bad•Somepeoplethrowtrash???intotheriverandlakes.•Theymakethewaterdirty.Thisisbad.Animalsandplantscannotliveindirtywat

er.•WeshouldKeeptheriversandlakesclean.Weneedcleanwater.Wecareaboutcleanwater.Weprotectthecleanwater.Clean...songHomework>Pleasemakeapo

sterontheA4paper.>Letmorepeoplecareabouttheclean...together.Postersaboutclean&dirtyKeepyourselfalwaysclean!