题目

I must have always known reading was very important because the first memories I have as a child deal with books. There was not one night that I don't remember mom reading me a storybook by my bedside. I was extremely inspired by the elegant way the words sounded.I always wanted to know what my mom was reading. Hearing mom say, I can't believe what's printed in the newspaper this morning, made me want to grab it out of her hands and read it myself. I wanted to be like my mom and know all of the things she knew. So I carried around a book, and each night, just to be like her, I would pretend to下列物质按纯净物、混合物、强弱电解质和非电解质顺序排列的是A．单甘油酯、混甘油酯、苛性钾、H2S、三氧化硫B．胆矾、漂白粉、硫酸钠、次氯酸、氯气C．明矾、水煤气、盐酸、醋酸、铜D．冰醋酸、福尔马林、硫酸钡、H2S、乙醇