补全对话。（可以是一个词，短语或是句子。）

A: Hello, Tina! Who is our new English teacher this term?

B: Nancy.

A: 1________?

B: She is a beautiful girl 2________ long hair. And she is taller than me.

    Oh, she has a twin sister, they look 3________.

B: Really? That's interesting.

A: 4________?

B. Yes, she is athletic. She likes 5________ basketball and swimming.

A: Good. I think I'll enjoy her class.

B: I think so.

以下说法正确的是( )。

A．政府采购制度相当于计划经济体制下的控购制

B．政府采购制度即财政供给制

C．政府采购是财政垄断采购事务

D．政府采购属于购买性支出