有“生命中枢”之称的部位是（   ）

A．小脑　

B．大脑

C．脑干

D．脊髓

翻译下列短语并完成句子.

1. gain experience / fame / independence____

2. gain sth. from ____

3. gain other' s respect / love / trust____

4. gain weight____

5.  He has____  (获得丰富的经验)in these years .

6.  He ____    (增加体重)after recovery from his illness.