問題詳情

12. Which is not the potential source of pollution for a navigating ship?
(A) Cargo-oil piping system
(B) Ballast system of crude-oil tanker
(C) Global positioning system
(D) Bilgesystem

參考答案

答案:C
難度:簡單0.777778
統計:A(3),B(1),C(14),D(0),E(0)

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