問題詳情
45.The 1986 Challenger space-shuttle _______ was caused by unusually low temperatures immediately before the launch.
(A) expedition
(C) dismay
(B) controversy
(D) disaster
(A) expedition
(C) dismay
(B) controversy
(D) disaster
參考答案
答案：D
難度：非常困難0
統計：A(0),B(0),C(0),D(0),E(0)
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