A.the Canadian Coast Guard
B.Ice Sarnia
C.the Ice Navigation Center
D.the icebreaker assigned to the area
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A.coiling
B.faking
C.flemishing
D.thoroughfooting
A.pilot charts
B.Notices to Mariners
C.Tide Tables
D.Current Tables
A.are sheet or layer clouds
B.have undergone great vertical development
C.are middle or high altitude clouds
D.are rain clouds
A.as a mass of warm，humid air rises into the atmosphere and cools，condensing moisture into small droplets
B.as winds blow across bodies of water，the sun causes the moisture to be absorbed and move upward forming clouds
C.dry air compresses moisture from the atmosphere into clouds
D.when the relative humidity of the atmosphere is low
A.high pressure fluid accumulators
B.driving air-powered plunger pumps
C.filling open-circuit breathing systems
D.bladder-type accumulators
最新試題
Compared to a low pressure system，generally the air in a high is（）.
Commercial ships or other persons or agencies requiring the assistance of Canadian Coast Guard icebreakers should first contact（）.
Cyclones that have warm sectors usually move（）.
Compliance with the terms of the load line certificate on a ship is the responsibility of the（）.
Class I and II private aids to navigation in or along navigable waters of the United States are listed in the（）.
Consideration should be given in planning for the mooring orientation in a new location so that in adverse weather a crane is available to off-load the supply vessel on what side of the unit?（）
Deck beams on a ship are generally spaced at equal intervals and run（）.
Diesel powered industrial trucks on a ship that are provided with safeguards to the exhaust，fuel，and electrical systems are designated（）.
Complete information on weather broadcasts throughout the world is contained in（）.
Clouds with the prefix “nimbo” in their name（）.