問題詳情

31. ______ energies such as biomass energy and wind energy are renewable and free of undesired consequences.
(A) Accountable
(B) Alternative
(C) Analytical
(D) Articulate

參考答案

答案：B
難度：適中0.444444
統計：A(4),B(8),C(2),D(0),E(0)