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
詳解 (共 2 筆)
未解鎖
北京異常有害的_____是由幾個因素造成...
未解鎖
北京異常有毒的_____是由多種因素造成...