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單項選擇題

When the ship is under attack by pirates,or terrorists,（）needs to be activated.

A.AIS
B.SSAS
C.SSP
D.SART

單項選擇題

Which of following physical abilities is not required as to the routine movement around a vessel?（）

A.Maintain balance and move with agility
B.Climb up and down vertical ladders and stairways
C.Open and close watertight doors
D.Take part in vessel evacuation procedures