48. How long has passed between the birth of the Earth and the start of life?

(A) 80 trillion years.

(B) 8 trillion years.

(C) 80 million years.

(D) 800 million years.

答案:登入後查看
統計: 尚無統計資料

詳解 (共 1 筆)

#6735088
題目解析 本題考察的是地球誕生與生命開始...
(共 673 字,隱藏中)
前往觀看
0
0