41 Safe navigation is more than just finding a vessel’s present location； it includes predicting future locations, route planning and collision ______.
(A) avatar
(B) avoidance
(C) avocado
(D) avocation

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統計： A(8), B(104), C(5), D(24), E(0) #2782557

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#5160280
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#5809259
41 Safe navigation i...
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