A.switch on
B.switch off
C.close
D.open
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A.invisible
B.it is invisible
C.isn't visible
D.unvisible
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
最新試題
A tide is called diurnal when（）.
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（）.
Fog is likely to occur when there is little difference between the dew point and the（）.
Your vessel is docking, but not yet alongside. Which line will be the most useful when maneuvering the vessel alongside the pier?（）.
The dew point temperature is（）.
Which of the following is not an operation mode of AIS?（）
Which wind results from a land mass cooling more quickly at night than an adjacent water area?（）
It is dangerous for vessels without the operational radar（）the estuary.
Shipboard Emergency Drills must be carried out at least（）on board cargo ship.
How long are you prohibited to consume alcohol prior to serving as a member of a watch?（）