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【題目】導致下列現(xiàn)象的主要原因與排放SO2有關的是（）

A．酸雨 B．光化學煙霧 C．臭氧空洞 D．溫室效應

【答案】A

【解析】A．酸雨的形成與氮的氧化物和硫的氧化物有關，正確；B．光化學煙霧的形成與氮的氧化物有關，錯誤；C．臭氧空洞的形成與氮的氧化物和鹵化代烴有關，錯誤；D．溫室效應的形成與二氧化碳、氯氟烴（CFC〕、甲烷、低空臭氧和氮氧化合物氣體有關，錯誤。

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