單項選擇題Passage through the Suez Canal is operated on a()systerm.

A.convey
B.convoy
C.escort
D.conform


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1.單項選擇題Pilot ladder is()on port side.

A.equipped
B.rigged
C.put on
D.put off

2.單項選擇題Pitching is angular motion of the vessel about what axis?().

A.Longitudinal
B.Transverse
C.Vertical
D.Centerline

3.單項選擇題Radio beacon service of John Light()discontinued.

A.has been
B.have been
C.have
D.has

5.單項選擇題Some sea water came into the wheel house during the voyage due to()the window thereof.

A.not close
B.not closing
C.we didn't close
D.not to be closed