人教版一年级起点小学四年级英语上册Lesson 1_课件1 (2).ppt

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1、SafetyLesson1Don’trundownthestairs.Don’tclimbthewindowledge.Don’tplaywithfire.climbonthewindowledgerundownthestairsdangerousBecareful!playwithfirerundownthestairsclimbonthewindowledgeplaywithfiredangerousBecareful.Becareful.Don’trundownthestairs.It’sdangerous.Bec

2、areful.Becareful.Don’tplaywithfire.It’sdangerous.Becareful.Becareful.Don’tclimbonthewindowledge.It’sdangerous.祈使句的否定形式Don’topenthewindow.Don’tplaythecomputergames.Don’trundownthestairs.Don’tswimintheriver.Don’tplaywithfire.Don’tclimbonthewindowledge.Don'tclimb.Beca

3、refulDon‘tclimbthetree.BecarefulDon'tplaywithfire.It’sdangerous.Don‘trundownstairs.It’sdangerous.Don'tstandonthechair.BecarefulDon'tsitonthedesk.Don'tsmoke.HomeworkTellsomesafetyrulestoyourfriends.Goodbye!