34. When did the first whales evolve?
(A) Cambrian
(B) Devonian
(C)Permian
(D)Mesozoic
(E)Cenozoic

答案:登入後查看
統計: A(0), B(0), C(0), D(0), E(1) #3049951

詳解 (共 1 筆)

#7118550
1. 題目解析 此題詢問的是第一批鯨魚...
(共 895 字,隱藏中)
前往觀看
0
0