单选题
1分
The Liners ________.
- A.always sail full
- B.sail regularly even not full
- C.always sail in ballast
- D.will not sail if not full
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1
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- A.reduce the length of the cable
- B.pay out more anchor cable
- C.back the engines
- D.swing the rudder several times to work the anchor into the bottom
2
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- A.increases with latitude,being maximum at the geographic poles
- B.decreases with latitude,being maximum at the geographic equator
- C.is greatest when a vessel is near the Earth's magnetic equator
- D.remains the same at all latitudes
3
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- A.Allow water which may be shipped on deck to flow off rapidly
- B.Permit easy jettisoning of deck cargo in an emergency
- C.Prevent the formation of any unusual stress concentration points
- D.Lighten the above deck weight caused by a solid bulwark
4
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- A.Two masthead lights
- B.One masthead light and a sidelight
- C.Both sidelights
- D.Stern light only
5
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- A.Crew messroom
- B.Forepeak ballast tank
- C.Master's cabin
- D.Chain locker
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