阿摩線上測驗
36. Keep clear of this area, man over board and _________ is in progress.
(A) wind farm establishment
(B) vessel traffic service
(C) search and rescue
(D) port state control
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統計： A(6), B(16), C(326), D(5), E(0) #3306298
統計： A(6), B(16), C(326), D(5), E(0) #3306298