A.prior to
B.during
C.in the period of
D.afterwards
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A.actual depth of water
B.actual depth of water below keel
C.average depth from waterline to hard bottom
D.average depth of water to soft bottom
A.prevent them from falling when the vessel rolls
B.protect personnel from electrical shock
C.increase their operating efficiency
D.prevent unauthorized personnal from operating them
A.once
B.whether
C.previous
D.just
A.the union representative
B.the person aboat whom the entry concerns
C.no one else
D.one other crew member
A.logbook
B.Bell book
C.oil record book
D.compass error book
最新試題
The mean draft of a ship is the draft（）.
Which of the following is not an operation mode of AIS?（）
Manoeuvring information can not be obtained from（）.
（）is halfway between the forward and after perpendiculars and is reference point for vessel construction.
Before any loading takes place any signs of the previous cargo should do（）.
When the wave period and the apparent rolling period are the same（）.
Which of the following is not a form of precipitation?（）
It is dangerous for vessels without the operational radar（）the estuary.
Despite the rising importance and great convenience of the gyrocompass,the magnetic compass still retain its importance because of its（）.
Shipboard Emergency Drills must be carried out at least（）on board cargo ship.