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 dialogue take place

A．he is playing a trick on him
B．the American expects the answer
C．he doesn’t know the exact distance at all
D．he wants to encourage him to go further

A．more
B．fewer
C．less
D．many