問題詳情
15. With the advancing of technology, knowledge is rather fleeting and short-lived. Thus, the topic of_________ of knowledge is a much talked about issue among professionals.
(A) propensity
(B) obsolescence
(C) trepidation
(D) pungency
參考答案
答案：B
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)