已知曲线W上的动点M到点F（1，0）的距离等于它到直线x=﹣1x=﹣1的距离．过点P（﹣1，0）任作一条直线l与曲线W交于不同的两点A、B，点A关于x轴的对称点为C．

（Ⅰ）求曲线W的方程；

（Ⅱ）求△PBC面积S的取值范围．

把下列各数分别填入相应的大括号内：

−7，3.5，−3.1415，π，0， ，0.03， ，10， ，

修改：在错的词下画一横线，并在该词下面写出修改后的词。

注意：1每处错误及其修改均仅限一词；

2只允许修改10处，多者(从第11处起)不计分。

Withthe growing popularity of the Internet, more and more children are addicted toplay online games day and night. It does harm not only to their health,especial to their eyes, but also to their studies.

Comparingwith online games, many traditional games, like hide­and­seek, benefits kidsmentally and physically. They were ever popular to several generations, whichnot only learned something valuable but also had fun playing the games.Therefore, the games are dying away now.

Personally,I think teachers and parents should take measure to limit their children'sInternet time. Let children to know the harm of online games and the benefitsof traditional games. Help children judge the healthy and unhealthy games.What's more, we should often organize events for children in which traditionalgames played.

小熊的年龄等于24，加上36等于____。