反映运输需求随其本源性需求变化而变化的敏感程度的指标是()。A.

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问题单项选择题

反映运输需求随其本源性需求变化而变化的敏感程度的指标是()。

A.运输需求派生弹性

B.运输需求价格弹性

C.运输需求收入弹性

D.运输需求交叉弹性

答案

参考答案：A

补全对话，情景问答

Choose the right answers to the questions. 为下列答语选择正确的问句。

( ) 1. 278 kilometres.

( ) 2. It's 1052.

( ) 3. On February first.

( ) 4. I don't know.

( ) 5. It's slower than an airplane.

( ) 6. Yes, you may.

A. May I eat in a restaurant?

B. When do you leave for Beijing?

C. How far is it from Shanghai to Beijing?

D. How far is it from Edmonton to Ottawa?

E. What is one thousand and fifty-two?

F. Is a train faster or slower than an airplane?

问答题简答题

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