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【单选题】
()也称为混合物品，是指介于纯公共物品和纯私人物品之间的商品和劳务。A.
纯公物品
B.
准公共物品
C.
社会物品
D.
私人物品
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相关题目：
【单选题】I am determined to do what 1 can______my English.
A.
improve
B.
raise
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to raise
D.
to improve