A vessel emitting harmful substances into the air or spilling oil into the sea is a ______．

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• 1Would you please ask the ______ Officer to issue 30 sheets of landing permits for our crew members to go ashore．

  A.Quarantine

  B.Immigration

  C.Customs

  D.Harbor

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• 2What is your latest tropical storm warning ______？

  A.information

  B.news

  C.description

  D.signals

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• 3The vessel is supposed ______ for Italy last week．

  A.to have left

  B.to leave

  C.to be leaving

  D.to have been left

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• 4We have placed ______around the big oil slick on the water surface to prevent the spilt oil from further spreading out.

  A.Oil dispersants

  B.Saw dust

  C.Booms

  D.Synthetic scoop

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• 5______ cargoes chargeable at the same rate，part of one ton shall be taken as one ton．

  A.At

  B.For

  C.On

  D.About

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• 6Molded depth is measured from the ______.

  A.inside of the shell

  B.outside of the shell

  C.top of the center vertical keel

  D.top of the garboard stake

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• 7A vessel's quarter is that section which is ______.

  A.abeam

  B.dead astern

  C.just aft of the bow

  D.on either side of the stern

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• 8In order to detect rot in manila lines，you should ______.

  A.feel the surface of the line for broken fibers

  B.measure the reduction in circumference of the line

  C.observe any mildew on the outer surface

  D.open the strands and examine the inner fibers

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• 9Fire may be spread by which means、 ______.

  A.Conduction of heat to adjacent surfaces

  B.Direct radiation

  C.Convection

  D.All of the above

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• 10A deck fitting，used to secure line or wire rope，consisting of a single body with two protruding horns, is called a ______.

  A.bitt

  B.bollard

  C.capstan

  D.cleat

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