单项选择题
A.start to rise rapidly B.start to fall gradually C.rise slowly,begin pumping and then start a slow,steady fall D.remain steady
A.forecastle B.cargo hold C.rudder D.propeller
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