三、听对话，根据对话内容及问题选择正确答案（共10小题，每小题1分；计10分）
( )11. A. Recycled paper. B. Cleaned the park. C. Helped the old people.
( )12. A. No smoking. B. No parking. C. No littering.
( )13. A. In a book shop. B. In a hospital. C. In a cinema.
( )14. A. A math lesson. B. An English lesson. C. A piano lesson.
( )15. A. He is shop assistant. B. He is teacher. C. He is a waiter.
( )16. A. To be the Forbidden City. B. To the Summer Palace. C.To the Great Wall.
( )17. A. Helen. B.Mike C. Mary
( )18. A. About 2,000 years ago. B.About 1,200 years ago. C. About 200 years ago.
( )19. A.His mother. B. His father. C. The boy.
( )20. A. The telephone. B. The TV. C.The computer.
