题目

阅读理解Dear Anne, I like your column very much. I met a girl four years ago at a gym. She was the one who originally approached me and we became good friends. Then one day, she made me really angry, so angry that I just left and we never saw each other again. Looking back, I really regret ending things that way. It was a cowardly act on my part, but I had a terrible temper at that time and let the smallest thing get to me. Recently, I've started thinking about her again and I looked up her e-mail address. I thought about writing to say “Hi” and apologize for what I did but I'm not sur已知位于同周期的X、Y、Z三种主族元素,它们的最高价氧化物的水化物分别为HXO4、H2YO4、H3ZO4,下列判断不正确的是(  ) A、元素的非金属性:X<Y<ZB、在元素周期表中它们依次处于第ⅦA族、第ⅥA族、第ⅤA族C、酸性:H3ZO4>H2YO4>HXO4D、气态氢化物的稳定性:HX>H2Y>ZH3
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