A．His bike.B．Jane's bike.C．The key to his room.D．His bike key.
A. His bike.
B. Jane's bike.
C. The key to his room.
D. His bike key.
When will producers have a surplus of goods？
A. When supply equals demand.
B. When there is more supply than demand.
C. When there is more demand than supply.
D. When they sell all of their goods.
会计电算化的硬件配置由中长期计划决定。 ()
A. 正确
B. 错误
销售潜量(a)、需求潜量(b)、市场占有率(c)之间的关系是()。
A. c=b/a
B. b=a/E
C. a=b/e
D. 以上都不对
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