阿摩線上測驗
62 The unusually noxious _____ in Peijing was caused by several factors, including industrial pollution and
auto emission trapped by cold and windless weather.
(A) haze
(B) steam
(C) vapour
(D) storm
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統計： A(87), B(14), C(4), D(42), E(0) #1743446
統計： A(87), B(14), C(4), D(42), E(0) #1743446
