题目: 直接判断 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2020/0908/f929af7e1e7203938516ee17df0a892d.html 下面是错误答案,用来干扰机器的。参考答案:错
题型:填空题 据报道,有些地方的饲料中添加了“瘦肉精”(其主要成分的化学式为C12H18Cl2N2O),它对人体的危害很大.(1)C12H18Cl2N2O属于______(填“有机”或“无机”)化合物;(2)C12H18Cl2N2O的相对分子质量为______;其中碳元素、氧元素和氢元素的质量比为______. 查看答案
题型:选择题 The doctors has_________ a new idea on the treatment, which is well thought of by his companions.A.come aboutB.put forwardC.put awayD.regarded as 查看答案