A.a vessel arrives at a port in a evening
B.a vessel leaves a port in a evening
C.a vessel arrives at a port in a morning
D.a vessel leaves a port in a morning
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A.by
B.with
C.on
D.in
A.cable areas
B.dumping grounds
C.fish trap areas
D.precautionary areas
A.the period of darkness exceeds the period of light
B.there is only a partial eclipse of the light
C.the periods of light and darkness are equal
D.the period of light exceeds the period of darkness
A.After boarding the pilot
B.After the pilot leaving the ship
C.After the pilot going on board
D.After taking the pilot
A.high barometric pressure
B.jet stream
C.storm surge
D.torrential rains
最新試題
The height of a light is measured from which reference plane?（）
At last，the palm trees that fringe the natural harbor of Port Aloahoa come into view on the horizon lit by the setting sun.The meaning of this sentence is that （）.
Attention is called to the fact that in many cases pipelines are not （） and charted depths may be decreased by up to 2 meters．
A vessel is entering port A for the first time and has a Pilot conning the vessel. The Master is unsure that the Pilot is taking sufficient action to prevent a collision. What should the Master do（）.
On a voyage from Capetown to London，the favorable ocean current off the coast of Africa is the （）.
The height of eye correction is smaller than geometrical dip because of （）.
Areas enclosed by a long and short dashed magenta line indicate （）.
The Earth’s irregular heating is caused by （）.
Clearance gauges at bridges indicate （）.
As these features are not all charted，special caution should be exercised （） vessels navigating in the vicinity.