問題詳情

【題組】74. Why does the author encourage power plants to use biomass?　
(A) To prevent the waste of energy.
(B) To increase production safety.　
(C) To reduce pollution.
(D) To save money.

參考答案

答案：C
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)