A.start to rise rapidlyB.start to fall graduallyC.rise ……

单项选择题（）locates in the aftmost part of a ship.

A.forecastle
B.cargo hold
C.rudder
D.propeller

单项选择题What is TRUE when operating in fog and other vessels are detected by radar?（）

A.you should make an ample change to port for a vessel crossing on the starboard bow
B.You should maneuver in ample time if a close-quarters situation is developing
C.You should determine the course and speed of all radar contacts at six minutes intervals
D.Long-range scanning will provide early warning of all other vessels within the radar’s range

单项选择题What occurs when rising air cools the dew point?（）

A.advection fog forms
B.humidity decrease
C.wind increase
D.Cloud form

单项选择题（）means an observed situation where objective evidence indicates the non-fulfillment of a specified requirement.

A.Conformity
B.Non-conformity
C.Observation
D.Major non-conformity

单项选择题（）water is the water in the hold to keep the ship’s stability.

A.Bilge
B.Ballast
C.Slop
D.Sanitary