补全对话。

A: Hello! Can I (1)_______ you?

B: Yes, please. I want to (2)_______ the art club.

A: Good, may I (3)_______ your name?

B: Jack.

A: What's your (4)_______ name?

B: Smith.

A: How (5)_______ are you?

B: I'm twelve.

A: Can you (6)_______?

B: Yes, a (7)_______. I want to (8)_______ about art.

A: Great. Thanks a (9)_______.

B: You are (10)_______.

在实际调查中，抽样的方法主要有（）

A.概率抽样

B.非概率抽样

C.全面抽样

D.重点抽样

E.典型抽样