的理论基础是新古典经济学有关资源优化配置的理论。A．经济分析_爱下问搜题

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问题单项选择题

的理论基础是新古典经济学有关资源优化配置的理论。

A．经济分析

B．市场分析

C．哲学分析

D．古典经济学分析

答案

参考答案：A

填空题

选词填空。

don't didn't went go going take took by ate

I am John I like 1.____ on big trips. I usually 2.____ on a trip on my summer holiday. I often go to
Beijing with my parents. But last summer, I 3.____ go to Beijing. I 4.____ to Xinjiang. I went there
5.____ train. I 6.____ good food, 7. pictures, sang and danced. I was very happy.

填空题

HXD3型电力机车采用带有中梁的、整体承载的（）式车体结构，有利于提高车体的强度和刚度。