It takes about 12 seconds to reverse ______ full speed ahead ______ full speed astern．

试卷相关题目

• 1In order to pay out or slack a mooring line which is under strain，you should ______．

  A.sluice the line

  B.surge the line

  C.stopper the line

  D.slip the line

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• 2El Abbasa (Sweet Water) Canal ______ from River Nile at Cairo to Suez Canal at Ismailia．

  A.extend

  B.extending

  C.extends

  D.are extending

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• 3An accident came ______ my mind when I saw the broken case．

  A.in

  B.on

  C.to

  D.with

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• 4The stevedores have already stowed the porcelain ware ______ up to the deckhead．

  A.loosely

  B.closely

  C.heavily

  D.strongly

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• 5My ship sailed ______ port of Shanghai，bound ______ Rotterdam．

  A.from，for

  B.for，on

  C.on，at

  D.at，from

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• 6A VESSEL，OTHER THAN A RESCUE UNIT，DESIGNATED TO CO-ORDINATE SURFACE SEARCH AND RESCUE OPERATION WITHIN A SPECIFIED AREA is known as ______．

  A.salving vessel

  B.Co-ordinator surface search

  C.MERSAR

  D.the vessel being salved

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