問題詳情
6. All life forms, even such long-lasting ones as blue-green algae and horseshoe crabs and crocodiles,will eventually flunk some tests posed by environmental conditions and meet _____.
(A) intuition
(B) extinction
(C) institution
(D) exclusion
(E) distinction
參考答案
答案：B
難度：適中0.647059
統計：A(0),B(22),C(3),D(1),E(1)