【正确答案】 B

【答案解析】[听力原文]
W: What do you like about working in the U.S.?
M: Well, people are very friendly; we all get on very well.
W: how do people greet each other?
M: Everyone uses his first names. They all say "Hi", and ask "how are you doing?" I like that.
W: What else do you like?
M: They have very nice offices, lots of space. Everything is very modem and new.
W: Is it different from working in our country?
M: Yes. Americans always wear formal clothes, but we go to work in informal clothes.
W: Is there anything you don't like?
M: The holidays. In the U.S., they only have two weeks, and you will leave. And in our country, we usually have four or five weeks.

how do Americans usually call each other in a company?

[解析] 对话的开头部分就提到“Everyone use his first names.”因此，在公司里相互以名字称呼对方，即“given name”，选择B。

【正确答案】 A

【答案解析】[听力原文]
What does the man dislike about working in the U. S. ?

[解析] 文中对于美国唯一的不满意就是关于假期“In the U.S. they only have two weeks，and you will leave. And in our country，we usually have four or five weeks.”表示假期太短了，因此选择A。