問題詳情

17.Are required number of portable extinguishers properly __________ in accommodationspaces, engine room, navigating bridge and radio room ?
(A)put
(B)placed
(C) located
(D)kept

參考答案

答案:C
難度:非常簡單1
統計:A(0),B(0),C(7),D(0),E(0)

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