問題詳情
【題組】74. According to the passage, what is the cause of acid rain?
(A) automobile emissions
(B) second-hand smoke from cigarettes
(C) noxious gases and chemicals in the atmosphere
(D) fuel burned for energy
參考答案
答案：C
難度：簡單0.714286
統計：A(1),B(1),C(10),D(0),E(0)