粉剂的功能不包括:()
A.保护
B.吸收
C.蒸发
D.杀菌
E.干燥
参考答案:D
— How come you are late for such an important meeting?
— ____ But I was stuck in a traffic jam. [ ]
A. I'm sorry.
B. Pardon?
C. Take it easy
D. Nothing serious
巡线人员发现导线、电缆断落地面或悬挂空中,应该怎样处理?