在农业产业化经营中，龙头企业依靠自身的信誉和原有的产销关系，_爱下问搜题

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问题单项选择题

在农业产业化经营中，龙头企业依靠自身的信誉和原有的产销关系，与农户按照当期市场价格进行交易，是（）约束机制的体现。

A．计划

B．市场

C．股份合作

D．专业承包

答案

参考答案：B

选择题

已知⊙O₁的半径为5cm，⊙O₂的半径为3cm，圆心距O₁O₂=2，那么⊙O₁与⊙O₂的位置关系是（　　）

A．相离

B．外切

C．相交

D．内切

补全对话，情景问答

从方框中选出适当的句子完成对话。

A. Where were you?
B. You are right.
C. And we saw a lot of snow yesterday morning
D. Our plane got to the airport at nine.
E. What was the weather like yesterday?

A: I didn't see you last week.     1
B: I was in Stockholm(斯德哥尔摩)  with my parents.
A: When did you come back?
B: This morning.      2   It's very.cold today.
A: So it is. It's getting colder these days.
B: _ 3
A: It blew strongly the day before yesterday.   4
B: There's much snow everywhere.
A: _ 5
B: I find people wear warm clothes.
A: Yes. It's much colder today than yesterday.