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