单项选择题
What is placed on the underside of an inflatable liferaft to help prevent it from being skidded by the wind or overturned? （）
A.Ballast bags
B.A keel
C.Strikes
D.Sea anchor
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相关考题
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单项选择题
What is meant by the term “broaching to”? （）
A.Having the vessel head toward the sea
B.Running before a sea
C.Being turned broadside to the sea
D.Having the vessel filled with water -
单项选择题
What generally occurs when the land is cooler than the nearby water? （）
A.A land breeze
B.A sea breeze
C.A norther
D.A prevailing westerly -
单项选择题
Under the IALA-A Buoyage System，a green spar buoy with a triangular topmark would indicate that the buoy（）.
A.should be left to port when heading out to sea
B.may be left close aboard on either side
C.is on the north side of a point of interest
D.is marking the preferred channel
