問題詳情

49. What does the author want readers to appreciate about bridges?
(A)They are modem structures.
(B)They are very convenient structures.
(C)They take years to build and are expensive to maintain.
(D)They are often the product of clever, innovative design.

參考答案

答案:D
難度:適中0.639903
統計:A(26),B(54),C(48),D(263),E(0)

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