問題詳情

12 Reptiles, cold-blooded animals with backbones, ______ from amphibians about 340 million years ago.
(A)devolved
(B)evolved
(C)involved
(D)revolved

參考答案

答案:B
難度:適中0.505882
統計:A(97),B(258),C(54),D(31),E(0)

內容推薦

內容推薦