问题
单项选择题
What should be used to steer an open lifeboat if the rudder becomes lost or damaged?（）
A.Sea anchor
B.Steering oar
C.Spare rudder
D.Daggerboard
答案
参考答案：B
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What should be used to steer an open lifeboat if the rudder becomes lost or damaged?（）
A.Sea anchor
B.Steering oar
C.Spare rudder
D.Daggerboard
参考答案：B