如果某种商品供给曲线的斜率为正,在保持其余因素不变的条件下,该商品价格上升,将导致(  )。

如果某种商品供给曲线的斜率为正,在保持其余因素不变的条件下,该商品价格上升,将导致(  )。A.供给增加 B.供给量增加 C.供给减少 D.供给量减少

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期货交易是对抗性交易,在不考虑期货交易外部经济效益的情况下,期货交易是(  )。

期货交易是对抗性交易,在不考虑期货交易外部经济效益的情况下,期货交易是(  )。A.增值交易 B.零和交易 C.保值交易 D.负和交易

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Only your best friends will tell you that you look young.

Only your best friends will tell you that you look young.A.Right. B.Wrong. C.Doe

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It' s impossible for you to know a stranger' s age.

It' s impossible for you to know a stranger' s age.A.Right. B.Wrong. C.Doesn' t

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Not until I began to work ______ how much time I had wasted

Not until I began to work ______ how much time I had wasted.A.didn' t realize

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