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【判断题】
相同移相角条件下，带反电动势负载的单相桥式全控整流电路比其带电阻性负载时，整流输出的电压更小A.
正确
B.
错误
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举一反三
【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】Which of the following provides an explanation for why alarge number of small competitors will reduce industry profits?
A.
Incumbent firms are more likely to benefit from economies of scale
B.
Customers are more likely to adopt substitute products
C.
Tacit collusion is harder to sustain
D.
The threat of retaliation against entrants is higher
【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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