問題詳情

To prevent terrorist attacks, the security guards at the airport check all luggage carefully to see if there are any _____ items or other dangerous objects.
(A) dynamic
(B) identical
(C) permanent
(D) explosive

參考答案

答案:D
難度:適中0.678571
統計:A(9),B(12),C(8),D(76),E(0)

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