其他其他其他2007年第1期海船船员适任证书全国统考试题（总第42期）

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• 41When warm moist air is blown over a colder surface, ______ will happen.

  A.advection fog

  B.radiation fog

  C.dense fog

  D.steam fog

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• 42In Beaufort Scale，the wind force 7 with speed of 28-33 knots is defined as ______ .

  A.Moderate gale

  B.Near gale

  C.Strong gale

  D.Whole gale

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• 43The Admiralty Notices to Mariners can be obtained ______ by Masters of vessels from any Admiralty Chart Agent．

  A.free of charge

  B.with no responsibility

  C.without limitations of distribution

  D.with little charges

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• 44In revised editions of Admiralty charts the ______ are corrected first．

  A.smaller scales

  B.larger scales

  C.smaller scales and larger scales

  D.moderate scales

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• 45On small scale charts of ocean areas where hydrographic information is，in many cases，still ______ ，charted shoals may be in error as regards position，depth and extent．

  A.spare

  B.spade

  C.sparse

  D.spear

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• 46On a chart，the characteristic of the light on a lighthouse is shown as flashing white with a red sector. The red sector ______.

  A.indicates the limits of the navigable channel

  B.indicates a danger area

  C.is used to identify the characteristics of the light

  D.serves no significant purpose

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• 47Which statement is TRUE of a stiff vessel、

  A.She will have an unusually high center of gravity

  B.She will have a large metacentric height

  C.She will pitch heavily

  D.Her period of roll will be large due to her large metacentric height

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• 48For details of these and other lights the larger scale charts and Admiralty Lists should be ______ .

  A.considered

  B.consulted

  C.concluded

  D.commanded

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• 49Coast Pilots and navigational charts are kept corrected and up-to-date by using the ______.

  A.pilot charts

  B.Notices to Mariners

  C.Tide Tables

  D.Current Tables

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• 50The issue of Notices to Mariners of charts and these aids(Radar beacons)may be delayed until such time as they are assessed to be ______．

  A.temporary

  B.permanent

  C.occasional

  D.steady

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