5．已知是两条不重合的直线，是三个重合的平面，则的一个充分条件是

A．        B．          C．         D．

4．若函数的图象与函数的图象关于直线对称，则

A．        B．        C．        D．

3．已知，则的值为

A．     B．       C．（0，1）      D．（1，0）

2．抛物线的焦点坐标是

A．     B．       C．     D．

1．设集合则

24．读下面的材料，按要求写成一篇文章。

这个世界层层叠叠地向我们展开：这一刻迷离的面目，下一刻就会清晰；这一刻不能宽舒的人，下一刻就会得到原谅；这一刻不能接受的事实，下一课就会变得容易理解。就这样，我们不断地消除着自我的狭隘、偏激和片面，一点一点地苏醒着，活到老，并一直醒悟到老。

读了以上材料，你有何感悟？请写成一篇文章，文体不限，题目自拟，不少于800字。

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2009年广东省高考调研考试