問題詳情

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

參考答案

答案:C
難度:適中0.611111
統計:A(1),B(2),C(11),D(3),E(0)