选择题：7. 文化事业产品的准公共性体现在( )。(本题5.0分) A、一定的非排他性 B、一定的非竞争

题目内容：

7. 文化事业产品的准公共性体现在( )。(本题5.0分)
A、一定的非排他性
B、一定的非竞争性
C、外部收益性
D、 A+B+C

参考答案：

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