8. A series of concurrent, related developments have significantly reduced the utility of the gasoline tax.
(A) homogeneous
(B) instantaneous
(C) miscellaneous
(D) simultaneous
(E) spontaneous
詳解 (共 2 筆)
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concurrent, 同時; 並行;...
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一系列同時發生的相關發展，已經顯著降低而...
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