如图已知df平行ac 如图,AB∥DE,AC∥DF,AC=DF如图已知df平行ac 如图,AB∥DE,AC∥DF,AC=DF 如图已知df平行ac 如图,AB?DE,AC ?DF,AC=DF 题文: 如图,AB?DE,AC?DF,AC=DF, 下列条件中不能判断?ABC??DEF的是( ) A(AB=DE B(?B=?E C(EF=BC D(EF? BC 答案: D 试题分析:?AB?DE,AC?DF, ??A=?D, (1)AB=DE,则在?ABC和?DEF中,,??ABC ??DEF,故A选项错误; (2)?B=?E,则?ABC和?DEF中,,??AB...