單項(xiàng)選擇題Life jackets should be marked with the（）.

A.maximum weight allowed
B.stowage space assigned
C.vessel's home port
D.vessel's name


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1.單項(xiàng)選擇題Instructions to the crew in the use of all the ship’s lifesaving equipment shall be completed（）.

A.before sailing
B.within one week of sailing
C.in one month and repeated quarterly
D.within any two month period

2.單項(xiàng)選擇題If you must jump from a ship，your posture should include（）.

A.holding down the life preserver against the chest with one arm crossing the other，covering the mouth and nose with a hand，and feet together
B.knees bent and held close to the body with both arms around legs
C.body straight and arms held tightly at the sides for feet first entry into the water
D.both hands holding the life preserver below the chin，with knees bent，and legs crossed

3.單項(xiàng)選擇題If a mooring line should part while you are tying up at a dock，you should make a temporary eye by tying a（）.

A.becket bend
B.clove hitch
C.bowline
D.square knot

4.單項(xiàng)選擇題How many adult life jackets are required on board a ship?（）

A.Enough for 100 percent of the persons allowed on board
B.One for each work station and industrial work site
C.Enough for 150 percent of the persons allowed on board
D.Both A and B above

5.單項(xiàng)選擇題Heavy fuel oils when spilled are（）.

A.more harmful to sea life than lighter oils
B.easier to clean up than lighter refined oils
C.less harmful to sea life than lighter oils
D.not a real threat to marine life