(甘肃省天水一中2009届高三最后一次模拟考试) My senior year of high school was very busy. If I wasn’t studying or worrying about 21 , I was taking part in many activities after class or attempting to make my plans for 22 . As the senior year began to slow down, I got a 23 job working at a local coffee shop. I had expected that the job would be 24 , but there are 25 when I was angry at the human race as a whole, simply because I couldn’t seem to 26 anyone. There was always too much sugar, too little ice, or not enough milk.空间实验室“天宫一号”的供电系统中有再生氢氧燃料电池(RFC),RFC是一种将水电解技术与氢氧燃料电池技术相结合的可充电电池。下图为RFC工作原理示意图,有关说法正确的是( )A. 当有0.8mol电子转移时,b极产生4.48LO2B. 为了增加导电性可以将左边容器中的水改为NaOH溶液C. d极上发生的电极反应是:2H+ +2e-=H2D. c极上进行氧化反应,A池中的H+可以通过隔膜进入B