第一节 听下面5段对话。每段对话后有一道小题，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。 听力原文：M: It tastes good. How do they make it? W: I don't know, but they put lots of eggs in it. What are they talking about? A．Clothes. B．Tool. C．Food.