阿摩線上測驗
37. The first plants arose during the __________ era.
(A) Cenozoic
(B) Mesozoic
(C) Paleozoic
(D) Precambrian
(E) Tertiary
答案：登入後查看
統計： A(3), B(6), C(18), D(6), E(1) #2241876
統計： A(3), B(6), C(18), D(6), E(1) #2241876
