单项选择题
What is meant by the term TOPPING THE BOOM?（）
A.Lowering the boom
B.Raising the boom
C.Spotting the boom over the deck
D.Swinging the boom athwartships
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单项选择题
What danger is presented if a waterspout passes over a ship?（）
A.Heavy rains could cause downflooding
B.Visibility could be restricted by low clouds
C.Large waves could cause structural damage
D.Personnel may be injured by loose deck gear blown by the wind -
单项选择题
What（）to him is whether the job of a deck officer allows him to pursue his studies.
A.matters
B.happens
C.refers
D.applies -
单项选择题
To warp a vessel means to（）.
A.anchor the vessel
B.bring the head into the wind
C.clean the decks
D.move the vessel by hauling on lines
