单选题Which of following physical abilities is not required as to the routine movement around a vessel?（）AMaintain balance and move with agilityBClimb up and down vertical ladders and stairwaysCOpen and close watertight doorsDTake part in vessel evacuation procedures
单选题
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
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