You may find the time of slack water after low water in a certain port from ______．

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• 1Charted depth is the ______．

  A.vertical distance from the tidal datum to the ocean bottom plus the height of the tide

  B.vertical distance from the tidal datum to the ocean bottom

  C.average height of water over a specified period of time

  D.average height of all low waters at a place

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• 2How would you pass a red buoy in the maritime buoyage system “A”、

  A.keep the buoy on the vessel’s starboard side when approaching a port and on the vessel’s port side when leaving．

  B.keep the buoy on the vessel’s port side when approaching a port and on the vessel’s starboard side when leaving．

  C.keep the buoy on the vessel’s starboard side when approaching a port and on the vessel’s starboard side when leaving．

  D.keep the buoy on the vessel’s port side when approaching a port and on the vessel’s port side when leaving

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• 3A 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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• 4How 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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• 5Ocean 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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• 6Which of the following statement is correct regarding ship handling when in the vicinity of traffic separation schemes？______．(1)A vessel shall，so far as practicable，avoid crossing traffic lanes (2)If obliged to cross traffic lanes，she shall do so as nearly as practicable at right angles to the general direction of traffic flow．

  A.(1) only

  B.(2) only

  C.Both(1) and (2)

  D.Neither (1) nor (2)

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• 7On no account can they cut it ______ it be fouled．

  A.would

  B.shall

  C.should

  D.do

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• 8It may be found that，in certain circumstances，Radar Beacon can cause unwanted interference particularly ______．

  A.at close range

  B.at end on situation

  C.at head on situation

  D.at crossing situation

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• 9Before 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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• 10The radio waves used for radar are very short，only ______ long．

  A.a few centimeters

  B.a few fathoms

  C.a few meters

  D.a few feet

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