(文)一过定点P(0,1)的直线l截圆C:(x-1)2+y2=4所得弦长为22, 发布时间:2017-04-17 12:40 │ 来源:www.tikuol.com 题型:填空题 问题: (文)一过定点P(0,1)的直线l 截圆C:(x-1)2+y2=4所得弦长为22,则直线l 的倾斜角α为______.
题型:填空题 —Do you think you will lose the game?—No, _____. [ ]A. I hope so B. I'm sure C. I hope not D. I'm afraid so 查看答案