問題詳情

53A fire believed to be caused by a lightning bolt forced the shutdown of an oil-capturing system near thegushing Gulf oil well; fortunately it was quickly ______ without injuries.
(A)investigated
(B)distinguished
(C)extinguished
(D)regulated

參考答案

答案:C
難度:適中0.566667
統計:A(3),B(7),C(17),D(0),E(0)

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