問題詳情

37. The cells which allow us to distinguish different colors are _____.
(A) cones
(B) rods
(C) both cones and rods
(D) only certain rods
(E) none of the above

參考答案

答案：A
難度：適中0.482759
統計：A(14),B(2),C(4),D(0),E(1)