第一节: 听力理解（共15小题；每小题1分，满分15分）
每段播放两遍。各段后有几个小题，各段播放前每小题有5秒钟的阅题时间。请根据各段播放内容及其相关小题，在5秒钟内从题中所给的A、B、C 项中，选出最佳选项，并在答题卡上将该项涂黑。
听第1段对话，回答第1—3题。
1．Why was the man late for class?
A．He got up late.
B．Due to the heavy traffic.
C．He didn’t catch the bus.
2．What can we know from the dialogue?
A．A car pool is a kind of organization that owns cars and sends people to work.
B．Car pool is the name of a company that helps people hire cars .
C．People who join a car pool live nearby and ride in one car.
