问答题
一个阻值为400W的电阻元件上消耗的功率为1W，则流过它的电流为（ ）mA。
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单项选择题 Such images ____________ social and cultural constructions, and at the same time, may serve tointerpret the relationships of the human realm. A、nature B、natural C、naturalist D、naturalize
单项选择题
单项选择题 What will vocational education in China be like in the future?
