【单选题】难溶强电解质 A 2 B 在水溶液中达到溶解平衡,设平衡时 [A + ] = x mol·dm -3 , [B 2- ] = y mol·dm -3 ,则其 K SP 可表达为 ( )。
【简答题】蔡某从外地采购一批花生存放在一粮食仓库销售。甲市乙区技术监督局接到这批花生已发生霉变举报后,即派工作人员前往现场检查核实。该局人员对这批花生全部进行查封,并从这批花生中抽出四袋样品送检,制作了现场笔录。蔡某对查封他的花生极其不满,向法院提起行政诉讼。据此回答以下问题。 有关乙区技术监督局的查封行为,下列说法错误的是( )A.此行为为行政强制措施 B.查封应有期限限制 C.查封清单应载明查封的理由和...
【单选题】Our public transportation system is not _______ for the needs of people.
【简答题】27 Clinical depression is different from . 28 Depression in older people is strongly linked with . 29 Depression is regarded by many older people as . 30 Many older people commit suicide as a result o...
【简答题】What a (__) idea it is to deal with a man as he deals with you!
【单选题】How does the woman feel in the conversation? 查看材料
【单选题】测定100g生物样品中氮含量是2g,该样品中Pr含量为
【简答题】牵牛花的花色由一对等位基因R、r控制,叶的形态由一对等位基因H、h控制,这两对相对性状是自由组合的。下表是三组不同的亲本杂交的结果: 第三个组合的后代是红色阔叶,让它们自交,其子一代的表现型及比例是()。
【简答题】How many dollars does the woman need to borrow to buy the book?
【单选题】测定 100g 生物样品中氮含量是 2g ,该样品中蛋白质含量为