【判断题】7组织分离接种时,菌肉不能碰到试管壁,接到斜面中间
【简答题】一粉红色固体的实验式为CoCl3·5NH3·H2O,其溶液也呈粉红色,用AgNO3溶液滴定时迅速生成3 mol AgCl沉淀。粉红色固体受热失去1 mol H2O,生成紫色固体,其中NH3:Cl:Co的比例不变。紫色固体溶解后,其溶液的摩尔电导值比粉红色溶液小,试推断粉红色和紫色两个八面体配合物的结构,并分别给以命名。
【简答题】A.It was not so satisfying. B.It's very good. C.It's much less than working at post office. D.Different people will get different pays.
【判断题】熟人推荐是当组织出现职位空缺时,由相关人员进行引荐候选人的一种有效方法。
【简答题】Yesterday my grandfather told me about his early days. he left school, he found a job in a post office. He worked hard there. Soon he had more money than his friends because of his hard work. It seeme...