The set of the ocean current is caused by ______．

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• 1Spring tides occur ______．

  A.when the moon is new or full

  B.when the moon and sun have declination of the same name

  C.only when the moon and sun are on the same sides of the earth

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

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• 2Uncharted lights, fog signals and radar beacon transmissions may be ______ near the station．

  A.encountered

  B.met

  C.contacted

  D.seen

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• 3When 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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• 4The 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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• 5The 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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• 6You 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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• 7All 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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• 8Stop ______ the derrick at once，the gooseneck is bent．

  A.to use

  B.to operate

  C.maneuvering

  D.using

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• 9The 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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• 10The Routing System which aimed at reducing the risk of casualties is called as ______．

  A.Traffic Separation Schemes

  B.Recommended tracks

  C.Precautionary areas

  D.Inshore traffic zones

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