54. Drones have already broken through rigid traditional barriers in industries which
otherwise seemed ______ by similar technological innovations.
(A) evocative
(B) obtrusive
(C) impenetrable
(D) ambient
詳解 (共 3 筆)
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(A) evocative (adj.)...
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(A) evocative --make...
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54. 正確答案：(C) impene...
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