A.by
B.with
C.on
D.in
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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
A.on
B.of
C.in
D.for
最新試題
A tug is to assist in docking an oceangoing vessel on a hawser. The greatest danger to the tug is （）.
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（）.
The height of tide is the （）.
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.
On a voyage from Halifax,N.S.,to Dakar,West Africa,the Canary Current will （）.
The height of eye correction is smaller than geometrical dip because of （）.
Above-normal tides near the center of a hurricane maybe caused by the （）.
Information on the operating times and characteristics of foreign radiobeacons can be found in which publication? （）
A vessel not to impede the passage of another vessel is not relieved （） taking collision-avoiding action.
An occulting light is one in which （）.