【简答题】列表填空,指出下列配合物的 中心离子(或原子) 、配体、配位原子和配位数;确定配离子和形成体的电荷数,并给出它们的命名。 (1) [CrCl 2 (H 2 O) 4 ]Cl (2) [Ni(en) 3 ]Cl 2 (3) K 2 [Co(NCS) 4 ] (4) Na 3 [AlF 6 ] (5) [PtCl 2 (NH 3 ) 2 ...
【单选题】下列哪种IL。可刺激T细胞生长,被称为 T细胞生长因子
【单选题】招聘的基本程序是 1招聘准备 2招聘评估 3招聘信息的发布 4人员选拔 5录用决策
【简答题】为什么80C51系列单片机能成为8位单片机应用主流?
【单选题】My neighbour is very _____. She always helps me.
【单选题】My neighbour is very______ . She always helps me.
【单选题】My neighbour is very ____ .She always helps me .
【单选题】My neighbour is very ________ . She always helps me.