根据句意及汉语提示写出各单词的适当形式，每空填一词。

1. I can cook for ______ ( 我)

2. My mother makes me healthy and ______ ( 好吃的 ) meals.

3. He is very ______ ( 亲密) to his uncle.

4. The work is so ______(令人乏味的). I don’t like it.

5. They are great ______ ( 英雄). I admire them very much.

菲涅耳透镜的作用（）。

A.聚焦红外能量

B.确定探测范围

C.提高探测灵敏度

D.滤光