問題詳情

13.To maintain the machine properly, our main concern is how to reduce the heat generated by ________ between two components or parts.
(A)federation
(B)faction
(C)friction
(D)fracture

參考答案

答案:C
難度:困難0.394872
統計:A(34),B(82),C(154),D(48),E(0)

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