單項(xiàng)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


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2.單項(xiàng)選擇題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”

3.單項(xiàng)選擇題There are often three parts in a weather report, not including()

A.warning
B.general synopsis
C.forecast
D.traffic density

4.單項(xiàng)選擇題Which of the following is defined as static information of AIS?()

A.Navigational status
B.Safety related messages
C.MMSI
D.Route plan

5.單項(xiàng)選擇題When hitting a solid object such as ship or an airplane,the radar waves are reflected back()they came.

A.in the way
B.the way
C.by the way
D.through the path