問題詳情

36The Large Hadron Collider (LHC) is a device that causes two particle beams traveling in opposite directions at very highspeeds ________ into each other.
(A) smash
(B) to smash
(C) smashing
(D) smashed

參考答案

答案:B
難度:適中0.5
統計:A(0),B(1),C(1),D(0),E(0)

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