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【单选题】
下列哪项不是狂犬病诱发的因素A.
受寒、惊吓、疲劳
B.
年老体弱、免疫力低下
C.
伤口被缝合包扎
D.
咬伤1个月后注射狂犬疫苗
E.
以上都不是
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举一反三
【单选题】For a firm in perfect competition, the profit maximizing output is 200 tons at a price of $600/ton. If the firm is minimizing the cost of resources, it is least likely that the:
A.
marginal product per unit of labor is 1/3 ton.
B.
marginal revenue product of capital is equal to the price of a unit of capital.
C.
ratio of the marginal output per labor unit to labor units employed is at a maximum.
【单选题】For a profit-maximizing firm, the price level equals its marginal revenue (MR) when ______.
A.
in an oligopolistic market.
B.
in a monopolistic situation.
C.
in a perfectly competitive market.
D.
sales rise with the increase in price level.
【简答题】Read the words and expressions used in social media. Find the items equivalent to those given in Chinese in the table. A — connect to a network B — upload C — surf the Internet D — down...
【单选题】For a profit maximizing monopolist, price:
A.
equals marginal revenue.
B.
is less than marginal revenue.
C.
is greater than marginal revenue.
D.
can be greater than or less than marginal revenue.
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