第一节
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。
Where does the conversation take place

A．be aware of the potential danger involved
B．guard against being cheated by the house agent
C．take the quality of the house into consideration
D．examine the house carefully before making a decision

A．We decide to avoid trouble or danger for the future.
B．We try to improve our English for better education.
C．We need to make a quick decision at the last moment.
D．We have to make a0 choice between success and failure.