采用（）等有效方式保证劳务人员遵守技术、进度、安全、质量、环保等各项现场管理制度。
A、督导、教育
B、培训、考试
C、旁站、跟班
参考答案：C
He will stop making a noise, if no notice_____ of him. [ ]
A. takes
B. will be taken
C. is taken
D. has taken
径流
