题目

信息归纳 请阅读网络上的两则关于溺水事故的报道, 根据所提供的信息。 Do You Put off What You Should Be Done TodayUntil Tomorrow. —Richards tells about time wasting September 25th,2015 Wages sin as hundreds of emails after we put Dr Rowman Pelling's article Can You Manage Your Time Wellon our website. I started decorating the bathroom in 2006 when I moved into this house, the tins of painting I still lying there nine years later. I still haven't decided what color paint I'm going to use. It really troubles me a lot. —by Caroline, New York I'm still getting rou已知抛物线l1：y=﹣x2+2x+3与x轴交于点A、B（点A在点B左边），与y轴交于点C，抛物线l2经过点A，与x轴的另一个交点为E（4，0），与y轴交于点D（0，﹣2）．（1）求抛物线l2的解析式；（2）点P为线段AB上一动点（不与A、B重合），过点P作y轴的平行线交抛物线l1于点M，交抛物线l2于点N．①当四边形AMBN的面积最大时，求点P的坐标；②当CM=DN≠0时，求点P的坐标．