問題詳情

7. Alcohol can be an alternative 7 for automobiles. But, distilling the ethanol from vegetablematter is a complicated process.
(A) oil
(B) gasoline
(C) source
(D) fuel

參考答案

答案:[無官方正解]
難度:適中0.5
統計:A(0),B(0),C(0),D(0),E(0)

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