单选题：若供给曲线上每一点的点弹性都等于1，则供给曲线只能是一条()。

题目内容：
若供给曲线上每一点的点弹性都等于1，则供给曲线只能是一条()。 A．过原点的450线
B．过原点的线
C．平行于横轴的线
D．平行于纵轴的线

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答案解析：

Approaches to doing business vary between countries because

Approaches to doing business vary between countries because of_______ A．local e

分类：全国银行系统  题型：单选题
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What problem does John Mathews think Smithson's is facing?

What problem does John Mathews think Smithson's is facing? A．More money needs t

分类：全国银行系统  题型：单选题
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