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【单选题】
下列语句中没有语病的一项是()A.
.先生坐在那儿，和一个乡下的安静老人一样。
B.
中国发展核武器是为了自卫，中国人民是赞成限制核扩散的国家之一。
C.
他想消化尽、吃尽我们中华民族几千年来的文化史。
D.
中国成功爆炸第一颗原子弹、第一颗氢弹的原因，是千千万万人努力的结果。
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【简答题】滚珠丝杠螺母副滚珠循环方式分为哪两种?
【判断题】Both monopolists and monopolistically competitive firms produce the quantity at which marginal revenue equals marginal cost and then use the demand curve facing the firm to determine the price consist...
A.
正确
B.
错误
【单选题】Both monopolists and monopolistic competitors:
A.
make positive economic profits in the long run.
B.
have high barriers to entry.
C.
charge a price that is greater than the marginal cost of production.
D.
produce a product for which there are no substitutes.
【单选题】The consumer surplus lost because monopolists restrict the production of output represents a welfare loss because:
A.
it is transferred to producers in the form of profit.
B.
consumers pay a higher price than they would in a more competitive market.
C.
society is not using its scarce resources in the best way possible.
D.
of both a. and b., but not c.
【单选题】A price-discriminating monopolist sells in two separate markets such that goods sold in one market are never resold in the other. It charges p1 = 3 in one market and p2 = 7 in the other market. At the...
A.
Lower p2.
B.
Raise p2.
C.
Raise p1 and lower p2.
D.
Raise both p1 and p2.
【单选题】PowerPoint’s charting feature includes a worksheet window that is similar to which other Office application?
A.
Microsoft Word
B.
Microsoft Excel
C.
Microsoft Equation
D.
Microsoft Chart
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