A.prevailing westerlies
B.horse latitudes
C.trade winds
D.subpolar low pressure belts
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A.Weather side
B.Leeward side
C.Upwind side
D.Crosswind side
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.Greenwich celestial meridian
B.hour circle of the body
C.local celestial meridian
D.vertical circle of the body
A.Ballast Control Operator
B.Barge Supervisor
C.Master or Offshore Installation Manager
D.operators representative
A.Selected Worldwide Marine Weather Broadcasts
B.your local newspaper
C.the Notice to Mariners
D.the daily weather map
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Define the acronym MSI（）.
Clouds form（）.
Complete information on weather broadcasts throughout the world is contained in（）.
Charts showing the coast of Mexico are produced by the United States（）.
Compared to a low pressure system，generally the air in a high is（）.
Dacron sails，when not in use，may be damaged if（）.
Considering the general circulation of the atmosphere，the wind system between latitudes 30°N and 60°N is commonly called 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?（）
Cyclones that have warm sectors usually move（）.
Chart legends which indicate a conspicuous landmark are printed in（）.