单项选择题
Keep compartment （） as the gas given off can be dangerous.
A.well ventilated
B.well clean
C.in good order
D.more room
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相关考题
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单项选择题
Bridge orders must be （） and a record of any required changes in speed and direction should be kept.
A.slowly carried away
B.carried out with a period of delay
C.promptly carried out
D.paid by the captain -
单项选择题
When under maneouvring conditions with the machinery being manually operated the control unit or console should be （）
A.automatically controlled
B.continuously manned
C.off power
D.none of the above is true -
单项选择题
At the beginning of the watch the current operational parameters and the condition of all machinery should be verified and also the log readings should correspond with those （）.
A.noted by the bridge officer
B.told by last duty engineer
C.observed
D.in the instruction manual
