問題詳情

18. When the light of a buoy or a lighthouse is inoperative, it should be remarked byin the chart.
(A) “unlit”
(B) “darkness”
(C) “out of order”
(D) “missing”

參考答案

答案：A
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)