发布日期:2010-06-15 12:34:18
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生活中的下列做法符合科学道理的是 A.用大量亚硝酸钠(NaNO2)腌渍食品 B.为防止CO中毒,可在煤炉上放一盆水 C.用活性炭除去冰箱中的异味 D.用铝制容器盛放硫酸铜溶液 |