题型:填空题 Dear students, please read every sentence carefully. _________ you are, _________ mistakes you’ll make.A.The more careful; the fewerB.The more carefully; the fewerC.The more careful; the lessD.The more carefully; the less 查看答案
题型:填空题 下列说法错误的是( )A.从CH4、NH4+、SO42-为正四面体结构,可推测PH4+、PO43-也为正四面体结构B.1 mol金刚石晶体中,平均含有2 mol C—C键C.水的沸点比硫化氢的高,是因为H2O分子间存在氢键,H2S分子间不能形成氢键D.某气态团簇分子结构如右图所示,该气态团簇分子的分子式为EF或FE 查看答案