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【单选题】
在货币需求函数L =L1 + L2 =ky―hr中,L与实际收入y和利率r的关系分别是A.
正相关，正相关
B.
负相关，负相关
C.
负相关，正相关
D.
正相关，负相关
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B.
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A.
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B.
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C.
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A.
To have a month holiday
B.
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C.
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D.
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