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简单课程里的电解100mL,含(H+)=0.3mol/L的下列溶液，当电路中通过0.04mol电子时，理论上析出金属质量最大的是？A 0.1mol/L Ag+ C 0.2mol/L Cu2+答案选A 我认为是 CAg+一共 0.01mol 所以... 全文
2010-03-01 12:46 来自版块 -
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For many cities in the world,there is no room to spread our further,___New York is an example.A for which B in which C of which D from... 全文
2010-02-12 09:59 来自版块 -
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I was given three books on cooking, the first ___ I ready enjoyed.A of that B of which C that D which答案 B 解释下··
2010-02-12 09:50 来自版块 -
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Her sister has become a lawyer , ____ she wanted to be.A who B that Cwhat Dwhich为什么答案是 D （我选的A~~）
2010-02-10 22:47 来自版块 -
