判断题

The components of the hotel and tourism network may be independent and competitive businesses and will not be interrelated

答案：错误

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增加柔韧性主要是拉长韧带,而不是拉长骨骼肌。( )
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答案：错误

单项选择题

A government-imposed maximum price will have no economic impact if

A．it is above the equilibrium price.
B．there is a fixed supply of the good.
C．it is below the equilibrium price.
D．it is at or below the equilibrium price.