問題詳情

35.Which of the following signal combinations are regarded as the「general emergency alarm」 thatcan be raised when accidents occur onboard vessels?
(A)Seven short and one prolonged blasts
(B)Two short and two prolonged blasts
(C)Two short and three prolonged blasts
(D)Three short blasts

參考答案

答案:A
難度:計算中-1
書單:沒有書單,新增

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