1 . 听下面一段较长对话，回答以下小题。
1. What impressed the man most in the US?

A．Personal characters.

B．Cultural differences.

C．Living habits.

2. Why did the man ask his American friend a question?

A．To inquire about an accident.

B．To blame him for his carelessness.

C．To express his concern for his friend.

3. What did the man suggest his American friend do?

A．Have a good rest.

B．See a doctor.

C．Take some medicine.

4. How does the woman feel concerning the man’s American friend’s answer at first?

A．Excited.

B．Angry.

C．Puzzled.