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单选题
船舶发生海事时,()必须将航海日志及有关海图妥善保存,弃船时要将航海日志带下,以供海事调查之用。
A
船长
B
大副
C
二副
D
值班驾驶员
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单选题What’s the advantage when using the satellites?()A
The message can be directed to the desired locationB
The message can follow the earth‟s curvatureC
The quality of message can not be affected by climaticD
the range of the message extend and the quality of reception is improved
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单选题对于1000以下的货船,在两台消防泵同时工作时,在所有消火栓处应维持的最低压力通常为()的射程水柱。A
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单选题Ammeters and voltmeters used in sinusoidal AC power systems indicate which of the following values of the waveforms measured?()A
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单选题在三极管基本放大电路中,由于静态工作点设置不合适而出现截止失真。为了改善失真波形,方便的做法是应()。A
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考题
单选题目标管理的程序一般包括()三个阶段实施,进行成果的检查与考核。A
计划的制定与展开,计划的组织与实施,成果的实施与考核B
程序的制定与展开,程序的组织与实施,程序的实施与考核C
目标的制定与展开,目标的组织与实施,成果的实施与考核D
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单选题Deck machinery, which is also known as hull machinery, includes all power driven equipment located ()the machinery spaces that is () with the main propulsion plant.A
inside;associatedB
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单选题In the sentence “In some designs the cylinder oil is timed so that the oil injects only on the piston ring belt, the "piston ring belt" means ().A
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单选题The tendency for lubricating oil to thin out at high temperatures and thicken at low temperatures will be characterized by a ().A
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考题
单选题在航海实践中,下列观点是正确的()A
“互见”,是指在能见度良好的条件下,两船用视觉相互看见时B
只有当两船用视觉相互看见时才可认为两船业已处于互见“之中C
只要一船能发现另一船的存在,则应认为两船已处于“互见”之中D
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考题
单选题Gas turbines differ from steam turbines in that ().A
steam rather than gas is used to turn a shaftB
vapor rather than gas is used to turn a shaftC
the former uses gas to turn a shaftD
the latter uses gas to turn a shaft
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