题目内容：

听下面一段较长对话，回答以下小题。

1.Where are the two speakers?

A. At the airport.    B. On a train.    C. On a plane.

2.What does the man think of traveling by air?

A. Fast and as safe as traveling by train.

B. Fast and comfortable.

C. Fast but terrible.

3.What are the two speakers talking about?

A. Traveling by air.    B. Air crashes.    C. Airsickness.