用方框所给出选项完成对话。

Polly: Dad, I want to get a job.

Father : ____ 

Polly: I need money. When I go out with my friends, I never have enough money.

Father: Polly, you know most families here are richer than we are.

Polly: ____  Then, I won't have to ask you for money.

Father: You have a lot of homework everyday. How can you work and study at the same time?

Polly: ____

Father: I have an idea. Once a week, you can come to my shop and help out a bit. You can clean the floors and the windows－that sort of thing. I’ll pay you for each hour you work. How does that sound?

Polly: ____  But I don't want to clean any toilets(卫生间).

Father: ____  It's a deal.

近年来，我国鼓励民营企业依法进入更多领域，引入非国有资本参与国有企业改革，更好激发非公有制经济的活力和创造力。这是因为（    ）

①非公有制经济是我国社会主义市场经济的重要组成部分  ②国有经济在我国重要行业和关键领域占支配地位

③非公有制经济是社会主义市场经济体制的根基                  ④国家鼓励、支持、引导非公有制经济健康发展

我国东北地区著名的重工业基地是（    ）