题目内容：

听下面一段较长对话，回答以下小题。

1.The conversation probably took place between two ________.

A. foreign friends    B. Chinese teachers    C. local workers

2.What do we learn from the conversation?

A. There is no need to translate the Chinese signs into English.

B. The pollution in Beijing is even worse than before.

C. It’s difficult for the foreigners to understand the English signs.

3.What suggestions does the woman give about the signs?

A. Invite more foreigners to come to China.

B. Hire some native speakers to get the signs right.

C. Make foreigners comfortable at hotel.