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【单选题】
( ) 是我国最古老的乐器之一,陶制、平底梨形,有五至十个大小不一的音,音色淳厚、古朴。A.
竖笛
B.
葫芦丝
C.
埙
D.
竽
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反馈参考答案：
举一反三
【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
C.
Nothing
D.
i dont know
【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
D.
Nothing
【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
C.
An increase in price
D.
Nothing
【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
D.
Nothing
【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.
Nothing
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