Spring tides occur ______．

试卷相关题目

• 1Uncharted lights, fog signals and radar beacon transmissions may be ______ near the station．

  A.encountered

  B.met

  C.contacted

  D.seen

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• 2When 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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• 3The 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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• 4The 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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• 5When 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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• 6The set of the ocean current is caused by ______．

  A.density differences of the water

  B.rotation of the earth

  C.direction of primary circulation of air

  D.all of the above

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• 7You are docking a vessel．If possible,you should ______．

  A.go in with the current

  B.go in against the current

  C.approach the dock at a 90Deg angle and swing to

  D.at the beginning of spring when the sun is over the equator

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• 8All the holds to be loaded with grain must be swept ______ commencement of loading．

  A.cleanly／during

  B.clear／meanwhile

  C.clean／between

  D.clean／prior to

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• 9Stop ______ the derrick at once，the gooseneck is bent．

  A.to use

  B.to operate

  C.maneuvering

  D.using

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• 10The actual amount of cargo loaded depends upon ______．

  A.the broken stowage listed

  B.the broken stowage calculated

  C.the broken stowage given

  D.the actual broken stowage

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