题目

改错：(2020·惠州市高三第一次调研)This negative side seems to be what society focuses on more, that is why young people have mostly been considered as idle and difficult. ________________________________________________________________________ 答案：that→which 此处引导非限制性定语从句，在从句中作主语，that不能引导非限制性定语从句，故将that改为which。在多项式-2m2+3m-12中，常数项是______．