問題詳情

34.The lubricating oil of cylinder in a diesel engine usually contains additives with a highdegree of alkalinity to the acid conditions?
(A)invade
(B)provide
(C)detergent
(D)neutralize

參考答案

答案：D
難度：適中0.652174
統計：A(1),B(0),C(6),D(15),E(0)