問題詳情

9.Inert to means to reduce the oxygen in an oil tank by inert gas to avoid an ______atmosphere.
(A)flammable
(B)toxic
(C)expensive
(D)explosive

參考答案

答案:D
難度:適中0.607143
統計:A(3),B(4),C(4),D(17),E(0)

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