問題詳情

24. ______ the catastrophic flooding of New Orleans was caused not merely by a powerful storm but primarily by fatalengineering flaws in the city’s flood protection system has been proved by experts.
(A) This
(B) That
(C) While
(D) However
(E) Which

參考答案

答案:B
難度:適中0.555556
統計:A(1),B(5),C(2),D(1),E(0)

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