問題詳情

7. A thick coating of paint on the hulk of an ocean liner helps _____ it from erosioncaused by seawater
(A) swell
(B) segment
(C) shield
(D) scratch

參考答案

答案:C
難度:適中0.5
統計:A(0),B(0),C(0),D(0),E(0)

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