十大钢琴家有谁，请随便举几个例。
参考答案：
奥斯特，鲁宾斯坦，霍罗维茨，古德尔，阿什肯纳齐，波里尼，阿尔赫里奇，巴克豪斯，吉利尔斯，阿劳。
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.
2001年我国第三产业在国内生产总值中的比重为多少( )
A．33.9%
B．33.7%
C．31.4%
D．30.8%
