Positions read from this chart should be moved 0．08 minutes Southward and 0．13 minutes Eastward so as ______ adjoining chart 3833．

试卷相关题目

• 1A tide is called diurnal when ______.

  A.only one high and one low water occur during a lunar day

  B.the high tide is higher and the low tide is lower than usual

  C.the high tide and low tide are exactly six hours apart

  D.two high tides occur during a lunar day

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• 2In which voyage，between two points，is the rhumb line distance NOT approximately the same as the great circle distance、 ______.

  A.The two points are in low latitudes in the same hemisphere

  B.The two points are in high latitudes in the same hemisphere

  C.The two points are near the equator，but in different hemispheres

  D.One point is near the equator，one point is in a high latitude，and both are near the 180th meridian

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• 3The 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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• 4Coast 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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• 5For 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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• 6Contour elevations on this chart refer to heights in feet above mean ______.

  A.lower low water

  B.high water

  C.low water

  D.sea level

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• 7Mariners proceeding across the main routes are recommended to do so at ______.

  A.as wide an angle as practicable

  B.as wide an angle so practicable

  C.like wide an angle as practicable

  D.like wide as angle so practicable

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• 8The productivity of working shifts can be improved through a decrease of ______.

  A.working hours

  B.gangs

  C.idle time

  D.weight per set

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• 9It may be found that，in certain circumstances，radar beacon emissions can cause ______ with the normal radar display，particularly at close range．

  A.unwanted interference

  B.unexpected figures

  C.abnormal data

  D.unwanted information

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• 10Before sailing，mariners on duty shall check the headings of magnetic compass by comparison with ______．

  A.ship's clock

  B.engine movement recorder

  C.repeaters

  D.navigation lights

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