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【单选题】
近来,有些外国经济学家和政府决策者呼吁中国对人民币重新估值,力压人民币升值。假设人民币升值,则意味着A.
每100单位外币可以兑换更多的人民币
B.
外币对人民币的汇率下降
C.
外币对人民币的汇率上升
D.
同样多的人民币可以兑换的外币不变
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举一反三
【简答题】Avoidable costs, differential costs and opportunity costs are examples of ______costs.
【单选题】According to the passage, what are the opportunity costs of an item?
A.
The amount of time and money spent in producing it.
B.
The opportunities a person has to buy it.
C.
The value of what could have been produced instead.
D.
The value of the resources used in its production.
【简答题】写出题1．20图所示各系统的微分或差分方程。 [*] 题1．20图
【单选题】According to the passage, what are the opportunity costs of a product?
A.
The amount of time and money spent in producing it.
B.
The opportunities a person has to buy.
C.
The value of what could have been produced instead.
D.
The value of the resources used in its production.
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