Li Ming is home.[ ]
A. phoneing
B. phoning
C. phoneing to
D. phoning to
答案：B
(6分)写出下列原子的电子排布式。
(1)S (2)29Cu (3) 26Fe
(1)________________________________________________________________________
(2)________________________________________________________________________
(3)________________________________________________________________________
直井井身质量标准的主要指标是井底水平位移、全井最大井斜角和井眼曲率。
