Unit 3 Care for the earth

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1、cutdowntoomanytreeswastetoomuchwaterhunttoomanyanimalsmaketheairdirtypickflowersWeshouldcareforit.LookandcircleLet’schantWeshouldn’tcutdowntrees.Weshouldn’tpickflowers.Weshouldn’twastethewater.Wehaveonlyoneearth.Andweshouldn’tdoanythingbad.Weshouldmaketheairclean.Weshouldplantmoretree

2、s.Weshouldhelptheanimals.Wehaveonlyoneearth.Andweshoulddosomethinggood.anything：用于否定句。something:用于肯定句。Lookandwrite1.Don’t_______________.Theylooksobeautifulinthegarden.2.Therearesomanycarsinthecity.They__________________________.3.Wedon’thavemuchcleanwater.Weshouldn’t_________________

3、_.pickflowersmaketheairdirtywastethewater4.Peopleshouldn’t_______________.Theyarehelpfultomaketheairclean.5.TodayisWorldCarFreeDay.You’dbetternot_________________.cutdownthetreesdriveacarHowdoeshismothergotoworktoday?A.Bybike.B.BycarC.Onfoot.Let’stalkMom:Somemoresoup,dear?Su:Thanks,Mo

4、m.ButIhavenotime.Ihavetocleanmybike.Mom:Areyougoingtoschoolbybike?Whynotgoinyourdad’scar?Su:Weshouldn’tdrivethecartoday.Mom:Why?Su:BecausetodayisWorldCarFreeDay.It’stimetodosomethingforourearth.Mom:Isee.IthinkIshouldgotoworkonfoottoday.