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【单选题】
2014年“六·五”世界环境日中国主题为“向污染宣战”,旨在体现对治理污染紧迫性和艰巨性的清醒认识，倡导共同行动,努力改善环境,保卫家园。下列说法正确的是
A.
把硝酸工厂的烟囱建造得更高一些，以减少氮氧化物的排放
B.
推广燃煤发电，停建核电站，以防核泄漏事故发生
C.
将废电池深埋，可以避免其中的重金属污染
D.
大量燃烧化石燃料产生的PM2.5是雾霾天气的主要原因之一
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