問題詳情
【題組】47. According to the passage, what happened about 400 million years ago?
(A) Many terrestrial life-forms died out.
(B) New life-forms on land developed at a rapid rate.
(C) The megafossils were destroyed by floods.
(D) Life began to develop in the ancient seas.
參考答案
答案：D
難度：困難0.2
統計：A(1),B(5),C(2),D(2),E(0)