题目内容：

听下面一段独白，回答以下小题。

1.What is the speaker doing?

A.selling a textbook. B.telling a class rule. C.introducing a course.

2.Which is one of the main purposes of the course?

A.To achieve all-round success.

B.To building up listening skills.

C.To study the listening process.

3.Whose textbook is preferred by the speaker?

A.William Brown’s. B.Helen Smith’s. C.Jackson Black’s.

4.How will the listeners be evaluated?

A.By the in-class performance and test grades.

B.By the mid-term and final grades.

C.By the small-test and final grades.