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，并标在试卷的相应位置。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。
Text 1
M：Wow! You are much thinner since the last time I saw you.
W：I am on a diet and exercise daily. So I've lost about 5 kilos.
1. How did the woman do that?
A. She is on a diet. B. She exercises daily.
C. Both A and B.
答案：C
