問題詳情
【題組】75. The passage is mainly about____ .
(A) American environmental contribution
(B) the origin and the activities of Earth Day
(C) the job of the U.S. Environmental Protection Agency
(D) what people should do on Earth Day
參考答案
答案：B
難度：簡單0.807692
統計：A(0),B(21),C(2),D(3),E(0)