题目

今有两种正盐的稀溶液，分别是a mol／LNaX溶液和b mol／LNaY溶液，下列说法不正确的是              （   ）   A．若a=b，且，则相同条件时，酸性   B．若a=b，且，则相同条件时，酸性   C．若a>b，且，则相同条件时，酸性HX<HY   D．若等体积混合，且，则一定有  答案：D解析:略  — Is English more important than Maths? — No, I don’t think so. English is _____________ Maths.  A. much important than           B. more important as    C. as important as                D. as more important as