問題詳情

172. In ancient times, people used large shells to ______ voices in open-air ceremonies so that their tribalmembers near and far could hear what was said.
(A) amplify
(B) mobilize
(C) penetrate
(D) undermine

參考答案

答案:A
難度:適中0.633333
統計:A(19),B(3),C(5),D(1),E(0)

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