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)