下列属于条件性市场缺陷的是【 】 A.非竞争性 B.外部效应 C.经济波动与失衡 发布时间:2017-04-11 11:30 │ 来源:www.tikuol.com 题型:单项选择题 问题: 下列属于条件性市场缺陷的是【 】A.非竞争性B.外部效应C.经济波动与失衡D.收入分配不公
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题型:单项选择题 —How was your day off. Yesterday?—Perfect! It was _____ birthday of my grandpa's. We had a big family celebration. A. seventyB. seventiethC. the seventieth 查看答案