题目

Good journalists need to organize all this information clearly to give an accurate account what is happening. 答案：【1】of下列各图是在同一直角坐标系内，二次函数y＝ax2＋(a＋c)x＋c与一次函数y＝ax＋c的大致图象，有且只有一个是正确的，则正确的是 [　　] A． B． C． D．