問題詳情

12. The greater an objects's mass, the more difficult it is ____________ .
(A) to speed it up or slow it down
(B) it speeds up or slows down
(C) than speeding it up or slowing it down
(D) than speeding up or slowing down

參考答案

答案:A
難度:適中0.673077
統計:A(70),B(1),C(9),D(17),E(0)

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