单项选择题
A.speed begins to drop
B.stops
C.receives ice damage
D.becomes icebound
单项选择题 A vessel operating in class has met all the requirements of the（）.
单项选择题 A vessel has been damaged by fire. The survey shows the cost of repairs will exceed the value of the repaired vessel. This is an example of a(n)（）.
单项选择题 A report of casualty to a mobile offshore drilling unit must include（）.