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    【题目】溶液对人类的生产、生活都有很重要的意义。下列关于溶液的说法或做法错误的是（ ）

    A.夏天喝的汽水不是溶液

    B.蛋汤太咸，加水稀释后口味变淡

    C.鱼塘中放置喷泉水泵的作用是增加水中氧气的溶解量

    D.凉茶水是均一、稳定的混合物

    【答案】A

    【解析】

    试题分析：溶液具有均一性和稳定性，一种溶剂里可以同时溶解多种溶质。A.汽水中溶解了二氧化碳气体、糖等物质，汽水具有均一性和稳定性，属于溶液，A错误；B.蛋汤太咸是因为食盐的浓度过大，加水后食盐质量不变，溶剂量最大，溶液的浓度变稀，正确；C.溶质与溶剂的接触面越大，溶质溶解的越多，C正确；D.凉茶水是均一、稳定的混合物，属于溶液，正确。故选A

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