c=0是抛物线y=ax2+bx+c过坐标原点的( ) A.充分非必要条件 B.必 发布时间:2017-04-10 01:03 │ 来源:www.tikuol.com 题型:选择题 问题: c=0是抛物线y=ax2+bx+c过坐标原点的( )A.充分非必要条件B.必要非充分条件C.充要条件D.既非充分又非必要条件
题型:选择题 I feel it is your husband who ____for the spoiled child. [ ]A. is to blame B. is going to blameC. is to be blamed D. should blame 查看答案