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【单选题】
将电能转换成热能的理想元件是()A.
电阻
B.
电容
C.
电感
D.
二极管
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举一反三
【单选题】A monopolist faces a constant marginal cost of $1 per unit. If at the price he is charging,the price elasticity of demand for the monopolist's output is -0.5, then:
A.
the price he is charging must be 2.
B.
the price he is charging must exceed 2.
C.
the price he is charging must be less than 2.
D.
the monopolist can not be maximizing profits.
【单选题】monopolist faces a constant marginal cost of $1 per unit. If at the price he is charging,the price elasticity of demand for the monopolist's output is -0.5, then:
A.
the price he is charging must be 2.
B.
the price he is charging must exceed 2.
C.
the price he is charging must be less than 2.
D.
the monopolist can not be maximizing profits.
【判断题】If an upstream monopolist sells to a downstream monopolist, the price to consumers will be higher than the competitive price, but not so high as it would be if the downstream monopolist took control o...
A.
正确
B.
错误
【简答题】聚合物有机太阳能电池的光伏性能参数主要有( )、( )、( )、( )、( )、( )等。
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