题目

Some people think that success is only for those with talent or those who grow up in the right family, and others believe that success mostly comes down to luck. I’m not going to say luck, talent, and circumstances don’t come into play because they do. Some people are born into the right family while others are born with great intelligence, and that’s just the reality of how life is.However, to succeed in life, one first needs to set a goal and then gradually make it more practical. And, in addition to that, in order to get really good at something, one needs to spend at least 10,000 hou一定条件下，利用如图所示装置可实现有机物的储氢，下列有关说法不正确的是A. 电源A为负极，电极C为阳极B. 单一气体为O2C. 该储氢装置的电流效率约为32.1%(电流效率计算公式为=×100%）D. 电子流动方向为：A→D；C→B