A radio medical advice service ______ ships of all nationalities and no charge is made for this service．

试卷相关题目

• 1In 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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• 2No navigational aids are shown and chart is not kept corrected for alterations in depths inside the pecked lines．For more detailed information，the larger scale charts must be ______．

  A.bought

  B.analyzed

  C.consulted

  D.published

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• 3A shipper of cargo aboard your vessel offers a letter of indemnity for the cargo．This is done in order to obtain a(n) ______．

  A.clean Bill of Lading

  B.order Bill of Lading

  C.straight Bill of Lading

  D.through Bill of Lading

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• 4MAINLY GOOD BECOMING MODERATE．This forecast probably refers to ______ in a certain area．

  A.visibility

  B.winds

  C.sea

  D.fog

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• 5LOW AT 34N 135E ESLY SLWLY INTST NC.This description is most likely to be under the heading of ______．

  A.GL WNG

  B.GEN SYN

  C.STM WNG

  D.T Y WNG

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• 6One of the principal dangers inherent in liquefied petroleum gas is that ______．

  A.as it warms up it becomes heavier than air

  B.the way it reacts with sea water

  C.its low temperature causes frostbite or freezing

  D.the strong odor it produces

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• 7Sailing directions are kept up to date by ______．

  A.publications

  B.notices to mariners

  C.supplements

  D.Annual Summary of Admiralty Notices to Mariners

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• 8All events relating to navigation，such as ship's position，speed and details of the weather，are recorded in ______．

  A.Logbook

  B.Bell Book

  C.Oil Record Book

  D.Compass Error Book

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• 9A chart has extensive corrections to be made to it. When these are made and the chart is again printed，the chart issue is a _______.

  A.first edition

  B.new edition

  C.revised edition

  D.reprint

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• 10Deviation is the angle between the ______．

  A.true meridian and the axis of the compass card

  B.true meridian and the magnetic meridian

  C.magnetic meridian and the axis of the compass card

  D.axis of the compass card and the degaussing meridian

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