题目内容：
最科学最经济的运输发展模式是（ ）
A．大力发展铁路运输 B．大力发展高速公路
C．建立综合运输体系
D．垄断与竞争并存
参考答案：
答案解析：
单选题：最科学最经济的运输发展模式是（ ）
- 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．大力发展高速公路
C．建立综合运输体系
D．垄断与竞争并存
B．大力发展高速公路
C．建立综合运输体系
D．垄断与竞争并存
买方市场是（ ）
买方市场是（ ）A．供大于求的市场 B．供小于求的市场 C．供等于求的市场 D．供求关系的无法测量的市场
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The old woman has a letter from her son in the army to her. A．read B．write C．wri
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Don’t _______ the child, it will frighten him. A．call at B．laugh at C．shout to D
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