单词拼写。

1. When he was twenty years old, he began to have a ____ (小胡子).

2. His trousers are already ____ (破烂的).

3. The play was a dead ____ (失败).

4. You must ____ (克服) your bad habits.

5. I want to get a ____ (皮革) jacket.

6. ____ (咀嚼) the food well before you swallow it.

7. He ____ (使信服) me of the difficulty of the work.

8. He ____ (指挥) the building of the new bridge.

9. She was an ____ (杰出的) female hero.

10. He put his arm round her in a protective ____ (姿势).

魏晋南北朝时期南朝宋的“四馆”是指哪四馆它和总明观有何区别