题目内容：

听下面一段较长对话，回答以下小题。

1.What is out of work?

A. The lock.    B. The elevator.    C. The alarm.

2.How does the woman react to the emergency?

A. She complains.    B. She cries out loud.    C. She keeps making telephones.

3.Why is the man so calm?

A. He thinks it useless to worry.

B. He knows how to solve the problem.

C. He has been in the same situation before.

4.What does the man ask the woman to do?

A. Cancel her appointment.    B. Listen to some music.    C. Introduce herself.