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举一反三
【单选题】As America’’s air becomes steadily more contaminated, activities across the nation to cope with smog appear to be lagging further and further behind actual needs despite a rising public clamor for imp...
A.
a thick mist hiding what would be a fine skyline.
B.
the destruction of a flower garden by polluted water.
C.
a layer of dirt accumulated on a building’’s windows.
D.
the poor visibility hindering the smooth traffic flow.
【单选题】As America’’s air becomes steadily more contaminated, activities across the nation to cope with smog appear to be lagging further and further behind actual needs despite a rising public clamor for imp...
A.
generating.
B.
dumping.
C.
releasing.
D.
discharging.
【单选题】As America’’s air becomes steadily more contaminated, activities across the nation to cope with smog appear to be lagging further and further behind actual needs despite a rising public clamor for imp...
A.
generating.
B.
dumping.
C.
releasing.
D.
discharging.