【多选题】下列关于“标准成本”公式的理解正确的有( )。
C.
单位产品标准成本=单位产品标准消耗量×标准单价
【简答题】电感性负载串联电容或并联电阻能否也能提高整个电路的功率因数,但一般不采用,那是因为。(2分)
【判断题】Marketers consider many factors such as market environment, market research, consumers, and strategies in a market process.
【简答题】电感性负载串联电容或并联电阻能否也能提高整个电路的功率因数,但一般不采用,那是因为 。
【简答题】缩短基本时间的措施有( )(A)提高工艺编制水平 (B)缩短辅助时间 (C)减少准备时间 (D)减少休息时间A.B.C.D. D
【判断题】进行教学案例分析要挖掘案例中蕴含的典型问题。
【简答题】电感性负载串联电容或并联电阻能否提高整个电路的功率因数?是否可以采用?为什么?
【单选题】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.
【单选题】Consider the market for watermelons. Buyers
A.
and sellers would lobby for a price ceiling.
B.
and sellers would lobby for a price floor.
C.
would lobby for a price ceiling, whereas sellers would lobby for a price floor.
D.
would lobby for a price floor, whereas sellers would lobby for a price ceiling.
【单选题】图中露出的圆片是全部圆片个数的 ,这里一共有( )个圆片。