在苏俄实施新经济政策时期，将一些企业租给国内外的资本家经营。_爱下问搜题

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问题选择题

在苏俄实施新经济政策时期，将一些企业租给国内外的资本家经营。这些企业的性质属于（）

A．社会主义性质

B．混合所有制

C．私有制经济

D．国家资本主义

答案

答案：D

解答题

已知函数f(x)=3x2-2ax+1在[2，+∞）上是增函数，求a的取值范围．

填空题

根据对话内容，从方框中选择适当的选项补全对话, 选项中有两项是多余的。

A. What’s wrong,
B. Shall we go out?
C. Where are we going?
D So we shall stay at home.
E. Good idea!
F. That’s all right.
G. Let’s go out.

Jim: It’s Sunday today. I’m not going to school.     小题1:  Dad?
Father: Let’s look at the map.
Mother: Shall we watch TV at home?
Jim: No.   小题2:  .
Father: Let me see. We shall go to that park. It’s near the sea.
Jim:    小题3:   .
Father: We shall have a swim in the sea. Then we shall have a meal at the seaside.
Jim: Great!
Father: Come on! Let’s all get into the car.
Jim:   小题4:   Dad?
Father: There’s something wrong with the car.
Mother:  小题5:  .