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【单选题】
的开国皇帝是(),他是三国时期著名的政治家、文学家。A.
B.
C.
D.
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【简答题】磁盘上的根文件夹是（ ）。
【单选题】If the several companies in the tobacco industry produce similar products but have very different marginal costs:
A.
they are less likely to engage in tacit collusion than firms with similar costs.
B.
they are more likely to engage in tacit collusion than firms with similar costs.
C.
prices for tobacco products are more likely to be near the monopoly level than in an industry whose firms have similar costs.
D.
output of tobacco products is more likely to be near the monopoly level than in an industry whose firms have similar costs.
【单选题】根文件夹是________。
A.
在磁盘上包含其它文件夹的最大文件夹
B.
以它所在驱动器名字命名的文件夹。
C.
不包含任何文件的文件夹
D.
打开“我的电脑”时，第一个出现的文件夹
【单选题】Advertising is an example of:
A.
tacit collusion.
B.
nonprice competition.
C.
antitrust policy.
D.
price leadership.
【单选题】The practice of one company tacitly setting prices for the industry as a whole is:
A.
tacit collusion.
B.
product differentiation.
C.
antitrust policy.
D.
price leadership.
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