問題詳情

【題組】46. Which object might NOT be involved in Professor Morris’s experiment
(A) healthy rats,
(B) young rats,
(C) female rats,
(D) none of the above.

參考答案

答案：[無官方正解]
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)