Improvements in the _______ of data transfer in the 21st century have _____ mobile communication for business travelers.
(A) efficiency . . . revolutionized
(B) demonstration . . . measured
(C) proficiency . . . accomplished
(D) manifestation . . . executed

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統計： A(789), B(54), C(115), D(76), E(0) #203014

詳解 (共 3 筆)

#389739
manifestation  顯示, 表明; 證實[U] executed  實施, 實行; 執行; 履行
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#1334679
(A) efficiency 效能........revolutionized 在某個方面實現突破性大變革
(B)demonstration 示範.measured 測量
(C)proficiency精通熟悉accomplished 完成
(D)manifestation表現executed履行
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#6105580
Improvements (=enrichment) in the efficiency of data transfer in the 21st century have revolutionized mobile communication for business travelers.
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21 世紀數據傳輸效率的提高徹底改變了商務旅行者的行動通訊。

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