問題詳情

【題組】6. How many probosicdeans have been foundat the La Brea tar pits?
(A) 9
(B) 17
(C) 1.5 million
(D) 2.5 million

參考答案

答案：B
難度：適中0.5
統計：A(0),B(2),C(2),D(0),E(0)