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【单选题】
We must find a room .A.
which puts the instrument
B.
which to put the instrument
C.
to put the instrument in
D.
to put the instrument for
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【简答题】三七的主产区,历史上三七的两大主产区是____、____,现在____已经成为公认的三七产地和道地产地。
【简答题】三七的主产区,历史上三七的两大主产区是云南、____,现在云南已经成为公认的三七产地和道地产地。
【单选题】In perfect competition, the marginal revenue curve:
A.
and the demand curve facing the firm are identical.
B.
is always above the demand curve facing the firm.
C.
is always below the demand curve facing the firm.
D.
intersects the demand curve when marginal revenue is minimized.
【简答题】边际收益产品(marginal revenue product)
【单选题】For a competitive firm, marginal revenue is
A.
total revenue divided by the quantity sold.
B.
equal to the quantity of the good sold.
C.
average revenue divided by the quantity sold.
D.
equal to the price of the good sold.
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