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【单选题】
以下（ ）不是混合并购给经济社会带来的福利？A.
易于进入新行业，使竞争增加，垄断利润降低
B.
比同等专业化的企业成本更低，获得更高的市场份额和利润
C.
可以改善资源配置效率
D.
会导致掠夺性定价
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皮皮学刷刷变学霸
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【简答题】B2C 类的教育网站有什么特点?
【单选题】Nobody but the two naughty boy .
A.
are laughing
B.
laugh
C.
were laughing
D.
is laughing
【简答题】It's no secret to us, but he alone is in the dark. It means ____. A．nobody but him knows the secret B．we all know the secret except him C．it's so dark that he can't see everything clearly D．only the n...
【单选题】Nobody but Jim and his uncle .
A.
know who is he
B.
know who he is
C.
knows who is he
D.
knows who he is
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