根据句意及汉语提示，在下列各句空格处写出各单词，每空填一词。

1. We have a short rest _______(在…之间) classes at school.

2. I like to live in a _______(三星的) hotel when I'm on business.

3. Do you think it is worth _______(辩论) with each other about it?

4. Marry is listening to MP4 _______(当…时) her mother is ironing the shirts.

5. Kate was lucky enough to see so many famous _______(导演) in the square last Sunday.

可出现爆米花样钙化的是（）

A.结核球

B.错构瘤

C.肺癌

D.胸膜间皮瘤

E.矽肺