十五夜望月寄杜郎中

王建

中庭地白树栖鸦，冷露无声湿桂花。

今夜月明人尽望，不知秋思落谁家。

“低碳生活，从我做起！”请仔细阅读下列材料，找出以下五种“低碳”行为产生的直接效应。

下列句子中，加线的词古今意义相同的一项是（    ）

若集合$A=\left\{1,m^2\right\}$，集合$B=\left\{2,4\right\}$，则“m=2”是“$A\cap B=\left\{4\right\}$”的(     )

    Lin Hai is ____ years old. His father is a police officer. ____is very busy, but he____his ____. Sometimes he works day and night. Sometimes he works ____holidays. He doesn't ____much time to ____with his son. Lin Hai is very proud of his ____.