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Unit2OppositieworldLesson12Clean＆DirtyKelly&Class3,Grade32017.3.Let'sreviewit!Let'slistenandsingtogether.1.

Listenfirst.2.Thensingtogether.Whatoppositewordscanyou?open&closedirty&cleangood&badwet&drylong&shortin&outhot&coldfat&sl

imfew&manydark&lightgive&takefar&nearWhatoppositewordscanyoulearn?good&badin&outgive&takeMymomalwaysgives____T-shirtwithme.ButShealway

s____sthe____T_shirtback.Somymomthinksitis______toplay____side.ButIthinkitis_____toplay____side.Lesson12(Listencarefully）音频）Lookanssay.(Part

1）•A:Look,therearesomanyfishinthispond.B:Wonderful.Lookandsay(Part2)•Therearenofishinthispond.Why,Mo

m??????Why?Be...causethispondis...Fishcan?cannot?liveindirtywater.Why?Becausethispondis...Fishcan?cannot?liveindirtywater.Aboutourschool.Look,there

aresomanyteachersandstudentsinour...Ourschoolisvery...Wecanstudyandplayinthisschool.Lookandread.WriteYesorNoontheline.（书P27）•(1)Thewaterinthepo

ndisclean.•(2)Theriverisdirty.NOYesLookandread.WriteYesorNoontheline.•(3)Thewaterinthelakeisclean.•(4)The

cloudsintheskyaredark.YesNoCleanup!!!Canyouunderstand“clean”?***•Manyanimalsliveinthewater.Theyneedcleanwater.Ma

nyplantsgrowinthewater.Theyneedcleanwater,too.Peoplealsoneedcleanwater.•Theyneedcleanwatertodrink,cook,andwash.？？drinkcookwas

h...dirty/cleanlivegood/bad•Somepeoplethrowtrash???intotheriverandlakes.•Theymakethewater_____.Thisis____.Anima

lsandplantscannot____ind___water.•WeshouldKeeptheriversandlakesc_______.dirty/cleanlivegood/bad•Somepeoplethro

wtrash???intotheriverandlakes.•Theymakethewaterdirty.Thisisbad.Animalsandplantscannotliveindirtywater.•WeshouldKee

ptheriversandlakesclean.Weneedcleanwater.Wecareaboutcleanwater.Weprotectthecleanwater.Clean...songHomewor

k>PleasemakeaposterontheA4paper.>Letmorepeoplecareabouttheclean...together.Postersaboutclean&dirtyKeepyourselfalwaysclean!