单项选择题

Coast Guard regulations require a shipboard Oil Pollution Emergency Plan to be reviewed（）.

A.annually
B.once every two years
C.once every four years
D.once every five years

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单项选择题

Coast Guard approved buoyant work vests（）.

A.may be substituted for 10 percent of the required life preservers
B.should be stowed adjacent to lifeboats and emergency stations
C.may be used by boat crews and line handlers during lifeboat drills
D.should be used when carrying out duties near a weather deck's edge

单项选择题

Cargo vessels being navigated，and fitted with emergency lighting and power systems，shall have their emergency systems tested at least once（）.

A.a month
B.in each week
C.in every 6 months
D.in every 12 months

单项选择题

An aircraft has indicated that he wants you to change course and follow him. You cannot comply because of an emergency on board. Which signal should you make?（）

A.Fire a red flare at night or a red smoke signal by day
B.Send the Morse signal "N" by flashing light
C.Make a round turn (360°) and resume course
D.Make an "S" turn (hard right then hard left) and resume course