4、ing,teacher.T:Howareyou?S:I’mfine,thankyou.T:.................1.RevisionT:Atfirst,let’sreviewthe old knowledge.S:.............T:Verygood.pleaselookatthePPT,Tohelpthebabywordsfindouttheirhome.s......Step2:Lead-inT:Let'slookatthescreen.Thisisamapofchina.