39. Carbon monoxide is a hazardous air pollutant because it
(A) reacts with oxygen to form CO2
(B) catalyzes smog formation
(C) forms a stable complex with hemoglobin
(D) catalyzes the decomposition of ozone
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統計: A(10), B(7), C(174), D(11), E(0) #923022
統計: A(10), B(7), C(174), D(11), E(0) #923022