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)