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【多选题】
在以价格为纵坐标，收入为横坐标的坐标系中（）A.
水平的直线被称为长期总供给曲线
B.
水平的直线被称为短期总供给曲线
C.
垂直的直线被称为长期总供给曲线
D.
上方倾斜的曲线被称为短期总供给曲线
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举一反三
【单选题】A philosophy of culture begins with the assumption that the world of human culture is not a mere aggregate of loose and detached facts. It seeks to understand these facts as a system, as an organic wh...
A.
is not at all to aggregate a mass of facts
B.
seeks to understand the various facts as a whole
C.
assumes the discrete facts as a systematic whole
D.
claims history as a collection of the data of human culture
【简答题】Against the assumption that forest fires in Alaska, Canada and Siberia warm the climate, scientists have discovered that cooling may occur in areas where burnt trees allow more snow to mirror more sun...
【单选题】The assumption that the magnitude of the slope of an indifference curve decreases moving to the right along the indifference curve is known as the assumption of
A.
the price effect.
B.
a diminishing marginal rate of substitution.
C.
an increasing marginal rate of substitution.
D.
an indifference curve effect.
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