已知铬的核电荷数为24,以下是一些同学绘制的基态铬原子核外电子的轨道表示式(即电子排布图),其中最能准确表示基态铬原子核外电子运动状态的是 A B C D
Progress______ so far very good and we are sure that the work will be finished on time.
Charles was alone at home, with_______ looking after him.
It is often ______ that human beings are naturally equipped to speak.
I can’t leave. She told me that I ______ stay here until she comes back.
—— Do you mind my opening the window? It’s a bit hot in here. —— ______ , as a matter of fact