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船舶通訊與航海英文(概要)題庫下載題庫

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24.When the general emergency alarm is sounded, which consists of seven short blasts and one ________ blast, all crew members have to go to their assembly station.
(A)prolonged
(B)prolapsed
(C)prologed
(D)prologued



24.When the general emergency alarm is s..-阿摩線上測驗