氢氧化钠是一种重要的碱，同学们对它进行了如下探究：

①探究一：判断氢氧化钠溶液与稀盐酸混合后是否恰好完全中和？

设计方案如下，请思考每个方案是否正确．

    Hi,I'm Lili. I'm from China. I'm a____（student\teacher）.This is my family. Look at the man,____（He's\She's）my father. Look at the woman,____（He's\She's）my mother.____（He's\She's）a____（student\teacher）. I love my family.