【简答题】凸轮是一个具有 的构件,是 件,气门是 件。
【单选题】A minimum wage set above the equilibrium wage rate is a price
A.
ceiling that results in a shortage of low-skilled labor.
B.
ceiling that results in a surplus of low-skilled labor.
C.
floor that results in a shortage of low-skilled labor.
D.
floor that results in a surplus of low-skilled labor.
【单选题】A legal minimum price is set which is below the equilibrium price. What will be the impact of this?
A.
Excess of demand over supply
B.
Excess of supply over demand
【单选题】A legal minimum price is set which is below the equilibrium price. What will be the impact of this?
A.
Excess of demand over supply
B.
Excess of supply over demand
C.
Excess of demand over supply
【简答题】凸轮是一个具有________的构件,是________件,气门是________件。
【单选题】A legal minimum price is set which is below the equilibrium price. What will be the impact of this?
A.
Excess of demand over supply
B.
Excess of supply over demand
【单选题】A legal minimum price is set which is above the equilibrium price. What will be the impact of this?
A.
Excess of demand over supply
B.
Excess of supply over demand
C.
Black marketeers may seek to operate
【判断题】中心回转型线夹具有良好的防止架空线微风振动疲劳破坏的作用。
【单选题】A legal minimum price is set which is below the equilibrium price. What will be the impact of this?
A.
Excess of demand over supply
B.
Excess of supply over demand