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【简答题】
（翻译，增补动词）他们喜形于色。
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【简答题】J710 1#和3#电压为+B,2#为10V,5#为0V, 故障点: ;
【单选题】18what is the action that a GMDSS radio operator should take when a DSC distress alert is received?
A.
No action is necessary, as the DSC control unit will automatically switch tothe NBDP follow-on communications frequency.
B.
The operator should immediately set continuous watch on the radiotelephone frequency that is associated with frequency band on which the distress alert was received.
C.
The operator should immediately set continuous watch on VHF Channel 70.
D.
The operator should immediately set continuous watch on the NBDP frequency Lhat is asso- ciated with frequency band onwhich the distress alert was received.
【单选题】The following( )is a correct description of operator's precedence
A.
operator < arithmetic operator < assignment operator < logical operator
B.
logical operator < relational operator< arithmetic operator< assignment operator
C.
assignment operator< logical operator
D.
arithmetic operator
【单选题】During which condition should the operator of a pedestal crane shutdown operations ________．
A.
Bunkering barge alongside
B.
Potable water spill on deck
C.
Crane hydraulic hose bursts
D.
Trim greater than 4 feet
【简答题】J710 1#和3#电压为+B,2#为0V,5#为+BV , 故障点: 。
【单选题】Which action（s）should the operator of a pedestal crane take if crane control is lost （）.
A.
Let go of both control levers and return to neutral position
B.
Press the emergency stop
C.
Notify the mate on watch
D.
All of the above
【简答题】卡诺定理:1、再两个不同温度的热源之间工作的任意热机,以( )的效率为最大。2、卡诺热机的效率只与( )有关,而与( )无关。
【简答题】J710 1#和3#电压为+B,2#和5#为0V,故障点: ;
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