問題詳情
45Shipboard emergency scenarios include leaking valves, seams, top and side ______, as well as cracks and holes in the walls and doors, which the trainees must successfully repair before the boat fills with water.
(A)effect
(B)hatch
(C)hull
(D)keel
參考答案
答案：B
難度：非常困難0
統計：A(7),B(0),C(3),D(4),E(0)
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