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【单选题】
下列土中,最容易发生冻胀融陷现象的季节性冻土是A.
碎石土
B.
砂土
C.
粉土
D.
黏土
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反馈参考答案：
举一反三
【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.
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