乙酸中，乙酸分子发生自耦电离反应，最强的碱是Ac-，最强的酸是H2Ac+。
判断题Eric，who is 18 years old，sells magazine subscriptions door－to－door for commissions.He earned $2900 this year and he will have to pay tax on this income at his parent’s tax rate.（）
判断题为实现改造罪犯成为守法公民的基本目标，监狱学必须研究罪犯的家庭成分。（）
