【单选题】【消耗次数：1】
《化学教学中的“空中课堂”——“水的电离和溶液的酸碱性”课例评析》的内容本身即包涵（ ），教师引领学生从微粒及微粒间相互作用的角度认识水溶液的酸碱性，形成对水溶液的酸碱性与水的电离平衡间内在联系的认识，以探寻物质宏观性质的微观本质。
①
科学态度与社会责任
②
变化观念与平衡思想
③
证据推理与模型认知
④
科学探究与创新意识
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下列物质的溶液呈碱性的是（）。
①
<img class="kfformula" src="20200629/1593414817730024.png" data-latex="{NH}_{4}{NO}_{3}" width="89" height="29"/>
②
<img class="kfformula" src="20200629/1593414817960955.png" data-latex="{CH}_{3}COOH" width="99" height="32"/>
③
<img class="kfformula" src="20200629/1593414817929066.png" data-latex="{Na}_{2}{SO}_{4}" width="69" height="36"/>
④
<img class="kfformula" src="20200629/1593414817102788.png" data-latex="{Na}_{2}{CO}_{3}" width="65" height="31"/>
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在已达到电离平衡的0.1 mol/L的醋酸溶液中，欲使平衡向电离的方向移动，同时使溶液的pH 降低，应采取的措施是（）。
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