航海英语海上救助单项选择题每日一练(2019.01.25)

单项选择题
A helicopter making a round trip from a helideck with refueling capabilities to an unmanned platform will take 45 minutes each way. The helicopter should be carrying enough fuel to last（）.
A.45 minutes
B.1 hour and 15 minutes
C.1 hour and 30 minutes
D.2 hours
单项选择题
A capsized small sail vessel is best righted when what part of the vessel is downwind?（）
A.Stern
B.Bow
C.Centerboard
D.Mast
单项选择题
A right-handed propeller will cause the survival craft to（）.
A.walk the stern to starboard in reverse
B.walk the stern to port in reverse
C.run faster than a left-handed propeller
D.right itself if capsized
单项选择题
If the coxswain of your lifeboat gives the command HOLD WATER you should（）.
A.complete the stroke，raise your oar slightly，swinging the oar slightly forward，and place it in the boat
B.lift the oar in a vertical position
C.complete the stroke and hold the oar out of the water
D.dip the blade of your oar into the water vertically and hold it perpendicular to the keel line
单项选择题
In heavy seas the helmsman should steer the motor lifeboat（）.
A.into the seas
B.broadside to the seas
C.in the same direction as the seas
D.in a series of figure-eights