单项选择题
The BEST information on the nature and extent of damage to the vessel is obtained from（）.
A.alarms and monitoring devices
B.the engineroom watch
C.personnel at the scene of the damage
D.the bridge watch
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相关考题
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单项选择题
Sideways movement of the mast is resisted by the（）.
A.shrouds
B.halyards
C.sheets
D.forestay -
单项选择题
Reducing free surfaces has the effect of lowering the（）.
A.uncorrected KG
B.virtual height of the center of gravity
C.metacenter
D.metacentric height -
单项选择题
On which vessels are the officers and deck crew allowed to operate under a two-watch system on voyages of less than 600 miles? （）
A.Towing vessels
B.Offshore supply vessels
C.Barges，when manned
D.All of the above
