Consider a market where quantity demanded = 1,500 - 3 x price, and quantity supplied = 2,000 - 5 x price. With respect to equilibrium price and quantity, there is:
A. no market equilibrium.
B. a stable market equilibrium.
C. an unstable market equilibrium.
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For a firm in perfect competition, the profit maximizing output is 200 tons at a price of
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.
外呼吸是指气体进出()的过程。
A. 肺
B. 支气管
C. 心肺
急救伤重病人时()给伤病员口服任何东西。
A. 根据病情
B. 可以
C. 不可以
我国对烧伤病人的评估分为()度。
A. 3
B. 4
C. 5
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