There are three people in Yang Yang's family. They like different kinds of food. Yang Yang likes rice a lot. But she doesn't like chicken at all. Her father is from Shanxi. He doesn't like rice at all. He likes chicken and bread very much. Her mother is from Dalian. She doesn't like rice or bread at all. But she likes fish and vegetables a lot. They love each other and help each other.

某水池中水深为1.5m，池边的路灯高出水面5m，路灯在水中的倒影是由光的____形成的，倒影到水面的距离是____ m

阅读下面的材料，根据要求写一篇不少于800字的文章。

    北京大学教授戴锦华：我选择的立场就是继续成为这样一个思考者和批判者，如果可能的话，也想成为一个预警者，无非是盛世危言嘛，我希望被嘲笑，希望自己所有的担心都落空，非常希望。

    马海祥：做一个建设者，永远比单纯的希望砸烂它取而代之的批判者，更难能可贵。

    《人民日报》：不仅当一个批判者，也要做一个建设者。

    对于“批判者”、“建设者”、“批判者和建设者”，你更欣赏谁？请综合材料内容及含意作文，体现你的思考、权衡与选择。

    要求选好角度，确定立意，明确文体，自拟标题；不要套作，不得抄袭。