下列哪些是港内靠泊值班时驾驶员的职责()。Ⅰ.发生应变情况时立即鸣放警报,如船长、大副都不在船时全权负责指挥在船人员抢救;Ⅱ.掌握船舶稳性,以便失火时向消防部门提供可喷洒在船的水量;Ⅲ.按船长或大副的指示通知机舱调整压载水;Ⅳ.监收淡水、物料,加油船来靠时通知机舱。
A. Ⅰ~Ⅳ
B. Ⅰ~Ⅲ
C. Ⅰ、Ⅱ、Ⅳ
D. Ⅱ、Ⅲ、Ⅳ
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you manage a server that runs windows server 2008. The windows backup and restore utility is installed on the server. You need to create a full backup of all system state data to the DVD drive (R: drive) on the server. Which command should you run on the server?()
A. WBadmin enable backup –addtarget:R: /quiet.
B. Wbadmin enable backup –addtarget:C: /quiet.
C. Wbadmin start backup –allCritical –backuptarget:C: /quiet.
D. Wbadmin start backup –allCritical –backuptarget:R:/ quiet.
不属于商品性质的是()。
A. 物理性质
B. 力学性能
C. 化学性质
D. 物种性质
论文的文题字数一般不超过:()
A. 15个
B. 20个
C. 25个
D. 30个
E. 35个