A.has no more than two compartments
B.has two compartments in addition to the engine room
C.will sink if any two compartments are flooded
D.will float if any two adjacent compartments are flooded
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A.coiling
B.faking
C.flemishing
D.thoroughfooting
A.are sheet or layer clouds
B.have undergone great vertical development
C.are middle or high altitude clouds
D.are rain clouds
A.litmus paper
B.combustible gas indicator
C.oxygen breathing apparatus
D.oxygen indicator
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.stronger
B.thinner
C.more corrosion resistant
D.a lower grade steel
A.warmer，less dense，and less stable
B.cool，more dense，and drier
C.muggy and cloudy
D.extremely moist with high relative humidity
A.When at anchor，the pilot vessel is only required to sound anchor signals
B.The identification signal must be sounded any time the pilot vessel is underway
C.The pilot vessel may only sound the identity signal when making way
D.All of the above
A.left in the sunlight
B.stowed wet
C.washed with soap
D.folded frequently
A.underlined letters
B.capital letters
C.italics
D.boldface print
A.clearing weather
B.that a warm front has passed
C.probable thunderstorm activity
D.an approaching hurricane or typhoon
最新試題
Compliance with the terms of the load line certificate on a ship is the responsibility of the（）.
Channel 13 is primarily used for ship to ship communication. Channel 13 is also authorized for（）.
Control of fire should be addressed（）.
Coiling new rope against the lay，bringing the lower end up through the center of the coil，then coiling with the lay，in order to remove the kinks，is known as（）.
Concerning the identification signal for a pilot vessel，in fog，which statement is TRUE?（）
Concerning a celestial observation，the azimuth angle is measured from the principal vertical circle to the（）.
Deck beams on a ship are generally spaced at equal intervals and run（）.
Dacron sails，when not in use，may be damaged if（）.
Charts showing the coast of Mexico are produced by the United States（）.
Complete information on weather broadcasts throughout the world is contained in（）.