A.at anchor
B.being towed
C.aground
D.drilling
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A.When the towing vessel enters the fog
B.When the drilling rig enters the fog
C.When the towing vessel can no longer be seen from the rig
D.Immediately
A.under tow
B.fixed to the seabed
C.underway
D.All of the above
A.destination
B.answer
C.time
D.ending
A.The motion of the apparent sun is along the ecliptic
B.Measurement of time is along the celestial equator
C.The speed of the Earth's revolution is not constant
D.There are variations in the Earth's rotational speed
A.Mine Safety Appliance Association
B.American Chemical Society
C.Marine Chemists Association
D.National Fire Protection Association
最新試題
An inflatable liferaft should be manually released from its cradle by（）.
A sweep oar is an oar that is（）.
What is the use of the books of Admiralty List of Lights and Fog Signals? Their use is to （）.
The international number，location and/or name，geographical co-ordinates，characteristics and intensity，elevation in metres，range in sea miles and description of structure of a light can be found in（）.
Lines drawn through points on the Earth having the same atmospheric pressure are known as （）.
An orange flag showing a black circle and square is a（）.
The Coast Radio Stations are found in（）.
Of the following，（）is not likely found in The Mariners Handbook.
Important changes to charts and lights（including temporary ones），radio signals and sailing directions are listed in（）.
The light vessel is reported（）.