問題詳情

62 The unusually noxious _____ in Peijing was caused by several factors, including industrial pollution andauto emission trapped by cold and windless weather.
(A) haze
(B) steam
(C) vapour
(D) storm

參考答案

答案:A
難度:非常困難0
統計:A(0),B(0),C(1),D(0),E(0)

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