电缆敷设应由专人指挥、统一行动,并有明确的(),不得在无指挥信号时随意拉引,以防人员肢体受伤。
A. 人员职责
B. 联系信号
C. 施工措施
D. 监护人
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当临边作业防护栏杆所处位置有发生人群拥挤、车辆冲挤或物件碰撞等可能时,下列人员的做法,正确的是()。
A. 小张加大防护栏杆上横杆截面
B. 小李加大防护栏杆下横杆截面
C. 小王加密了防护栏杆柱距
D. 小赵增加了防护栏杆柱距
纪检监察的职能主要有()。
A. 保护职能
B. 惩处职能
C. 监督职能
D. 教育职能
These weapons add a new()to modern warfare.
A. flavor
B. factor
C. aspect
D. dimensio
In what way does Cisco SMARTnet help customers protect their network investments?()
A. allows them to acquire replacement hardware as needed instead of carrying it in inventory
B. includes upgrade insurance
C. includes Cisco Learning Credits for staff training
D. provides them with trade-in incentives for their end-of-life product