All of the following are engaged in fishing EXCEPT ______．

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• 1Where one of two vessels is to keep out of the way the other ______．

  A.shall not keep her course but shall keep her speed

  B.shall not keep her course and speed

  C.shall keep her course but change her speed

  D.shall keep her course and speed

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• 2A tug would NOT assist a ship to steer if the tug is made up to the large vessel ______．

  A.by a tow line ahead of the vessel

  B.forward on either bow of the vessel

  C.approximately amidships of the vessel

  D.on the vessel's quarter

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• 3Mariners proceeding across the main routes are ______ to do so as wide an angle aspracticable．

  A.recommended

  B.reported

  C.applied

  D.complied

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• 4The rules state that vessels may depart from the requirements of the Rules when ______．

  A.there are no other vessels around

  B.operating in a narrow channel

  C.the Master enters it in the ship's log

  D.necessary to avoid immediate danger

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• 5Owing to the big draught of the ship，she has to go alongside by the time of ______．

  A.spring tide

  B.flood tide

  C.ebb tide

  D.slack water

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• 6When underway in a channel,you should keep to the ______．

  A.middle of the channel

  B.starboard side of the channel

  C.port side of the channel

  D.side of the channel that has the widest turns

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• 7The two vessels underway may collide with ______,if they don't take immediate measures．

  A.one to another

  B.one the other

  C.each the other

  D.each other

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• 8The shortest distance between any two points on earth defines a ______．

  A.small circle

  B.great circle

  C.rhumb line

  D.hyperbola

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• 9When a buoy marks a channel bifurcation(分支), the preferred channel is NOT indicated by ______．

  A.the shape of an unlighted buoy

  B.the light color of a lighted buoy

  C.the color of the topmost band

  D.whether the number is odd or even

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• 10Uncharted lights, fog signals and radar beacon transmissions may be ______ near the station．

  A.encountered

  B.met

  C.contacted

  D.seen

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