1 . 听下面一段较长对话，回答以下小题。
1. What do the speakers have in common?

A．They are both Chinese.

B．They always think differently.

C．They took a trip abroad together.

2. What happened to the man’s American friend?

A．He got sick.

B．He missed a trip.

C．He made mistakes in speaking Chinese.

3. How did the man’s American friend feel about his suggestion?

A．Excited.

B．Unhappy.

C．Grateful.

4. What are the speakers mainly talking about?

A．Social skills.

B．Emergency reactions.

C．Cultural differences.