单项选择题
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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相关考题
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单项选择题
The information regarding ports such as buoyed channels,fairway,location and number of terminals,river channels,details of navigational marks,location of overhead bridges, underground cables etc. are shown in（）
A.small-scale charts
B.medium-scale charts
C.large-scale charts
D.natural scale charts -
单项选择题
On a weather map,a large letter “h” means（）
A.a high pressure area with cool, dry air and fair weather
B.a high pressure area with warm, moist air and inclement weather
C.horse latitudes, with rough seas and strong winds
D.a heavy squall line near the “H” -
单项选择题
There are often three parts in a weather report, not including（）
A.warning
B.general synopsis
C.forecast
D.traffic density
