41. 某船沿赤道向東航行,航速20節,0600時船位經度176°30.0' W。請問1800時推算船
位的經度為何?
(A)179°30.0' E
(B)178°30.0' W
(C)174°30.0' W
(D)172°30.0' W
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統計: A(13), B(5), C(9), D(49), E(0) #2500839
統計: A(13), B(5), C(9), D(49), E(0) #2500839