Lines on a chart which connect points of equal magnetic variation are called ______．

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• 1Admiralty 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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• 2Bearings 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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• 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 acertain area．

  A.visibility

  B.winds

  C.sea

  D.fog

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• 5BASHI：E TO SE 9-10．500M IN HVY SQUALLY SHWRS AND TS．SEA 8-9M．SWELL SE 6-7．From the above forecast，the wind in Beaufort Scale will be ______．

  A.STRONG GALE TO STORM

  B.GALE TO STRONG GALE

  C.NEAR GALE TO GALE

  D.STRONG BREEZE TO NEAR GALE

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• 6Mean high water is the average height of ______．

  A.the higher high waters

  B.the lower high waters

  C.the lower of the two daily tides

  D.all high waters

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• 7______ amplify charted detail and contain information needed for safe navigation．

  A.Admiralty Sailing Directions

  B.Admiralty List of Lights

  C.Admiralty List of Signals

  D.Admiralty Notices to Mariners

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• 8Ocean Passages for the World and Routeing Charts should be ______ for trans-oceanic information．

  A.looked

  B.consulted

  C.seen

  D.reviewed

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• 9How is variation indicated on a small-scale nautical chart、

  A.Magnetic compass table

  B.Magnetic meridians

  C.Isogonic lines

  D.Variation is not indicated on small-scale nautical charts

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• 10A cardinal mark showing an uninterrupted quick-flashing white light indicates the deepest waterin the area is on the ______．

  A.north side of the mark

  B.west side of the mark

  C.east side of the mark

  D.south side of the mark

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