問題詳情

34 When rescuing injured workers at construction sites where the stairs are not accessible, a moving ladder is agood _____ to consider.
(A)warranty
(B)episode
(C)transaction
(D)alternative

參考答案

答案:D
難度:適中0.55814
統計:A(5),B(8),C(19),D(48),E(0)

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