根据句意和首字母提示，完成下列单词。

1. I would like to become a b________because I like birds and nature very much.

2. I think it is important that I do something to p________birds.

3. He works in a bank, but his h________is building model boats.

4. You can use any two colours, for e________, red and yellow.

5. Is there any r________why you can't come?

侵袭性曲菌病感染早期，CT扫描在肺部结节周边可见较低密度区域环绕，称作“晕轮征”，其病理基础为（）

A.肺不张

B.肺出血

C.肺水肿

D.肺气肿

E.阻塞性肺炎