1 . 听下面一段较长对话,回答以下小题。
1. What is the probable relationship between the speakers?

A．School friends.

B．Teacher and student.

C．Relatives.

2. Why does Jim suggest Mary buy the book?

A．It’s sold at a discount.

B．It’s important for her study.

C．It’s written by Professor Lee.

3. What will Jim do for Mary?

A．Share his book with her.

B．Lend her some money.

C．Ask Henry for help.