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Unit2OppositieworldLesson12Clean＆DirtyKelly&Class3,Grade3Let'sreviewit!Let'slistenandsingtogether.1.Listenfirs

t.2.Thensingtogether.Whatoppositewordscanyou?open&closedirty&cleangood&badwet&drylong&shortin&outhot&coldfat&slimfew&manydark&lightgive&takefar&n

earWhatoppositewordscanyoulearn?good&badin&outgive&takeMymomalwaysgives____T-shirtwithme.ButShealways____sthe____T_shirtback.Somymomthinksitis______

toplay____side.ButIthinkitis_____toplay____side.Lesson12(Listencarefully）音频）Lookanssay.(Part1）•A:Look,therearesomanyfishinth

ispond.B:Wonderful.Lookandsay(Part2)•Therearenofishinthispond.Why,Mom??????Why?Be...causethispondis...Fishcan?cannot?liveindirtywater.Why?Becaus

ethispondis...Fishcan?cannot?liveindirtywater.Aboutourschool.Look,therearesomanyteachersandstudentsinour...Ourschoolisvery...Wecanstudyand

playinthisschool.Lookandread.WriteYesorNoontheline.（书P27）•(1)Thewaterinthepondisclean.•(2)Theriverisdirty.NOYes

Lookandread.WriteYesorNoontheline.•(3)Thewaterinthelakeisclean.•(4)Thecloudsintheskyaredark.YesNoCleanup!!!

Canyouunderstand“clean”?***•Manyanimalsliveinthewater.Theyneedcleanwater.Manyplantsgrowinthewater.Th

eyneedcleanwater,too.Peoplealsoneedcleanwater.•Theyneedcleanwatertodrink,cook,andwash.？？drinkcookwash...dirty/cleanlivegoo

d/bad•Somepeoplethrowtrash???intotheriverandlakes.•Theymakethewater_____.Thisis____.Animalsandplantscannot____in

d___water.•WeshouldKeeptheriversandlakesc_______.dirty/cleanlivegood/bad•Somepeoplethrowtrash???intotheriverandlakes.•Theymakethewaterdir

ty.Thisisbad.Animalsandplantscannotliveindirtywater.•WeshouldKeeptheriversandlakesclean.Weneedcleanwater.Wecareaboutcleanwate

r.Weprotectthecleanwater.Clean...songHomework>PleasemakeaposterontheA4paper.>Letmorepeoplecareabouttheclean...toge

ther.Postersaboutclean&dirtyKeepyourselfalwaysclean!