根据句意和首字母或中文提示，写出句中所缺的单词。

1. An __________ (精力充沛的) person has lots of energy.

2. Father is sleeping. You'd better do it q__________.

3."My little dog has died." the girl said __________ (悲伤).

4. The weather in South China is d__________ from that in North China.

5. Like many famous scientists, Li Siguang __________(致力于) himself to the study of science.

6. This kind of film has a bad __________ (影响) on people.

7. Those __________ (小偷) were caught at last.