题目内容：

听下面一段独白，回答以下小题。

1.What does the speaker say about popular restaurants?

A.They are open 24 hours a day.

B.They accept checks for payment.

C.They may not accept reservations.

2.What’s the drinking age in America?

A.21. B.20. C.15.

3.How much should you tip for superior service?

A.Less than 15% of the total bill.

B.About 20% of the total bill.

C.Over 25% of the total bill.

4.What can we learn from the monologue?

A.Americans smoke less than Europeans.

B.Asians smoke less than Europeans.

C.The legal smoking age in America is 16.