阶梯式电价方案将居民用电实行分档定价,用电越少价格越低,用电

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更新 2022-09-03
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阶梯式电价方案将居民用电实行分档定价,用电越少价格越低,用电越多价格越高。居民用电价格应由____决定。（）

A．供电成本

B．居民的收入水平

C．供求关系

D．居民的用电量

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