問題詳情

2. The automobile company has installed cutting-edge sensors inside the engines to monitorengine performance and alter the valves’ timing to _____ efficient combustion.
(A) adjudicate
(B) denounce
(C) optimize
(D) undulate

參考答案

答案:C
難度:適中0.647059
統計:A(3),B(0),C(11),D(2),E(0)

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