题目内容：
公路货运在总的货运周转量的比重（ ）
A．最大 B．呈下降趋势
C．呈上升趋势
D．稳定不变
参考答案：
答案解析：
单选题：公路货运在总的货运周转量的比重（ ）
- 题目分类：中级运输经济(铁路)
- 题目类型：单选题
- 查看权限：VIP
B．呈下降趋势
C．呈上升趋势
D．稳定不变
B．呈下降趋势
C．呈上升趋势
D．稳定不变
运输的经济意义表现在（ ）
运输的经济意义表现在（ ）A．是经济发展的基本物质保证 B．是产品销售的必要条件 C．是社会生产过程的重要组成部分 D．能够平衡和降低社会物价水平 E．保证国
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