pKa值:a.邻羟基苯甲酸;b.间羟基苯甲酸;c.对羟基苯甲酸 发布时间:2017-06-30 15:36 │ 来源:www.tikuol.com 题型:问答题 问题: pKa值:a.邻羟基苯甲酸;b.间羟基苯甲酸;c.对羟基苯甲酸
题型:问答题 Catherine bought a postcard of the place she was visiting, addressed __________ to __________ and then posted it at the nearby post office. A.it; herB.it; herselffC.herself; herD.herself; herself 查看答案