题目

已知点F为抛物线y2=8x的焦点,O为坐标原点,点P是抛物线准线上一动点,点A在抛物线上,且|AF|=6,则|PA|+|PO|的最小值为 ( ) A.8               B.            C.            D. 答案: CThe Frenchman arrived on________ . A. the fifth of April                        B. fifth of April C. April fifth                           D. the fifth April  
数学 试题推荐