题型:填空题 已知点A、B、C、D在同一平面内,有6 个条件:①AB∥CD,②AB=CD,③BC∥AD,④BC=AD,⑤AC=BD,⑥∠A=90°。从这6个条件中选出(直接填写序号)( )个,能使四边形ABCD是矩形。 查看答案
题型:单项选择题 Although we don't feel satisfied with the election results, we have to become reconciled ______the decision made by our fellow countrymen.A.forB.onC.toD.in 查看答案