A.invisible
B.it is invisible
C.isn't visible
D.unvisible
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A.repairing
B.to repair
C.repairs
D.have repaired
A.tide is falling from high water to low water
B.tide is rising from low water to high water
C.tide is reaching to a highest level
D.tide is reaching to a lowest level
A.is stayed
B.is situated
C.is placed
D.is located
A.the radio apparatus fitted on the portside
B.the radio with a portable equipment
C.the radio equipment which is easily movable
D.the portable radio with some apparatus
A.to
B.for
C.on
D.with
最新試題
The circulation around a low pressure center in the Northern Hemisphere is（）.
The force resulting from the earth’s rotation that causes winds to deflect to the right in the Northern Hemisphere and to the left in the Southern Hemisphere is called（）.
Which of the following is not an operation mode of AIS?（）
Fog is likely to occur when there is little difference between the dew point and the（）.
The helm command PORT TWENTY means（）.
Despite the rising importance and great convenience of the gyrocompass,the magnetic compass still retain its importance because of its（）.
The company should establish and maintain procedures to control all documents and date which are relevant to（）.
When steering by autopilot,how often should the steering be checked?（）
Shipboard Emergency Drills must be carried out at least（）on board cargo ship.
Your vessel is docking, but not yet alongside. Which line will be the most useful when maneuvering the vessel alongside the pier?（）.