問題詳情
54. Drones have already broken through rigid traditional barriers in industries whichotherwise seemed ______ by similar technological innovations.
(A) evocative
(B) obtrusive
(C) impenetrable
(D) ambient
參考答案
答案：C
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)