1.  >>  高等继续教育 / 信息经济学
 高等继续教育 / 信息经济学
正确率:100%

题型描述: 单选题
下列哪个不是信息产品转化为信息商品的条件?( )
A.可以用来交换
B.效用大的产品
C.劳动产品
D.能够满足人们的某种需要
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