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【判断题】
人文摄影反映人的生存状态、精神追求、风土人情、历史文化等等。A.
正确
B.
错误
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举一反三
【多选题】When reducing output from the competitive level lowers welfare,
A.
producer surplus is lower
B.
consumer surplus is lower
C.
a deadweight loss is generated
D.
social welfare is higher
【简答题】When machine time is a binding constraint on production output, which one of the following will have noeffect on the throughput accounting ratio for a product that the machine is used to manufacture?A...
【单选题】When countries specialize according to their comparative advantage,
A.
it is possible to increase world output of all goods.
B.
it is possible to increase world output of some goods only by reducing the output of others.
C.
one country is likely to gain from trade while others lose.
D.
all countries will lose from trade.
【单选题】According to the theory of comparative advantage, countries gain from trade because
A.
Trade makes firms behave more competitively, reducing their market power.
B.
All firms can take advantage of cheap labor.
C.
Output per worker in each firm increases.
D.
World output can rise when each country specializes in what its does relatively best.
【单选题】When machine time is a binding constraint on production output,which one of the following will have no effect on the throughput accounting ratio for a product that the machine is used to manufacture
A.
Obtaining a lower purchase price for materials for the product
B.
Reducing factory costs
C.
Increasing the selling price of the product
D.
None of the above
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