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。
例：How much is the shirt?
A.＄19.15. B.＄9.18 C.＄9.15
答案是C
1．Why is the man so hungry?
A．He has only had a burger today．
B．He hasn’t eaten today．
C．He is on a diet．
2．What is the relationship between the speakers?
A．Postman and customer．
B．Business partners．
C．Strangers．
