問題詳情
【題組】43.Which of the following is NOT mentioned in the above passage?
(A) Biofuels are renewable, so they are much less costly.
(B) Petroleum fuels produce more toxic waste than biofuels.
(C) Many people worry about the harmful effects of chemistry industry.
(D) Green chemistry may reduce the use of petroleum.
參考答案
答案：A
難度：適中0.637827
統計：A(317),B(60),C(47),D(60),E(0)