题目

听下面一段较长对话，回答问题。 （1） Where is the woman? A . In a library. B . In a store. C . In a classroom. （2） What color does the woman's daughter like? A . Red. B . White. C . Black. （3） How much is the skirt? A . 60 yuan. B . 70 yuan. C . 80 yuan. 答案：B A C3．下列图形中，具有稳定性的是（　　）A．长方形B．平行四边形C．三角形