第一部分：听力（共两节，满分30分）
第一节(共5小题;每小题1. 5分,满分7. 5分）
听下面5段对话。每段对话后有一个小题，从题中所给的A、B、C三个选项中选出最佳选项，并标在答题卷的相应位置。用答题卡的考生，先把选出的最佳选项标在试卷的相应位置，苒转涂到答题卡上。听完每段对话后，你都有10秒钟的时间来回答有关小题和阅读下一小题。每段对话仅读一遍。
1.When did the alarm ring?
A. At 7 : 00. B. At 7 : 30. C. At 8: 00.
2.What does the woman think of the man?
A. He is careful. B. He is forgetful. C. He is childish.
3.What does the man think is helpful to our health?
A. Swimming in the sea. B. Swimming in winter. C. Swimming every day.
4.Why do most people dance in the street?
