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
A tug is to assist in docking an oceangoing vessel on a hawser. The greatest danger to the tug is （）.
Clearances of bridges and overhead cables below Bonneville Dam refer to heights in feet above mean （）.
During daylight savings time the meridian used for determining the time is located farther （）.
The height of eye correction is smaller than geometrical dip because of （）.
During a period of whiteout，you should expect which of the following（）.
Due to lapse of time the risk in these areas to surface navigation is now considered （）than the ordinary risks of navigation，but a very real risk still exists with regard to anchoring，fishing or any form of submarine or seabed activity.
Conditions for crossing a rough bar are usually best at （）.
Information on the operating times and characteristics of foreign radiobeacons can be found in which publication? （）
In Admiralty Sailing Directions，bands is the word used to indicate（）marking．
The height of tide is the （）.