皮皮学，免费搜题
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【单选题】
当居民和厂商分别实现了效用最大化和利润最大化，并且整个经济的价格体系恰好使所有的商品和生产要素的供求都相等时，经济就处于（ ）的状态。A.
产品市场均衡
B.
要素市场均衡
C.
帕累托最优
D.
瓦尔拉斯均衡
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【单选题】If you are interested in any one of the books on the shelf ,I’ll buy and send _________ to you as a gift．
A.
it
B.
one
C.
them
D.
some
【单选题】听力原文：If you are interested, I can arrange a meeting for you to meet our technicians to give you an overall understanding of our new products. (24)
A.
I am interested in your new techniques and I want to make an appointment.
B.
I want to talk to our technician to see if he is interested in your new products.
C.
I can ask some of our staff to give you information about our new products.
D.
I hope you understand that I have to attend a meeting about our new products.
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