By plotting the analysis messages on weather charts，we are able to ______．

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• 1This notice will ______ you of the problem．

  A.use to remind

  B.use to tell

  C.serve to remind

  D.be served to talk

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• 2When force of winds reaches 10-11 in Beaufort scale，we usually call such wind ______．

  A.Gale

  B.Storm

  C.Hurricane

  D.Typhoon

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• 3For full information regarding the current circulation of the Indian Ocean， ______ Sailing Direction，Current Atlas，etc．

  A.watch

  B.look for

  C.see

  D.regard

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• 4When within the entrance，the vessel should ______ Surf islet．

  A.navigate

  B.arrive at

  C.steer for

  D.maneuver for

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• 5The fishing boat upset and sank to the ______ of the sea．

  A.base

  B.under part

  C.bottom

  D.down place

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• 6It is predicted that heavy rains are ______ to flood the harbor and its vicinity in a few days．

  A.frightening

  B.threatening

  C.scattering

  D.warning

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• 7Wind direction may be determined by observing all of the following EXCEPT ______．

  A.low clouds

  B.waves

  C.whitecaps

  D.swells

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• 8Bearings are true reckoned ______ in Admiralty Charts．

  A.clockwise from 000 to 359 degrees

  B.clockwise from 359 to 000 degrees

  C.anti-clockwise from 000 to 359 degrees

  D.anti-clockwise from 359 to 000 degrees

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• 9Admiralty Notices to Mariners，containing important information for the mariners and enabling them to keep their charts and books corrected for the latest information，are issued daily and published in ______．

  A.Weekly Editions

  B.Quarterly Editions

  C.Annual Editions

  D.Monthly Editions

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• 10A line connecting all possible positions of your vessel at any given time is a ______．

  A.longitude line

  B.isogonic lines

  C.latitude line

  D.line of position

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