题目内容

The general manager of the company intends to introduce new management courses, and tighter controls will be _______________ internal management to raise efficiency.

A. imposed on
B. relied on
C. impacted on
D. implemented on

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Class discussions next week will _____________ the importance of love, communication and a close relationship between parents and their children.

A. revolve in
B. revolve with
C. revolve around
D. revolve on

间接带电作业时,作业人员(包括其所携带的非绝缘工具、材料)与带电体之间须保持的最小距离不得小于1000mm,当受限制时不得小于( )。

A. 300mm
B. 500mm
C. 600mm
D. 800mm

间接带电作业工作领导人不得直接参加操作,必须在现场不间断地进行( )。

A. 看护
B. 监护
C. 防护
D. 监督

遇有雨、雪、重雾、霾等恶劣天气,或空气相对湿度大于( )时,一般不进行间接带电作业。

A. 0.45
B. 0.75
C. 0.85
D. 0.8