目前高考化学复习中还存在诸如复习方向背离或偏离高考要求、复习缺失或过度复习等现象,从而导致学生学习负担过重,学生高考成绩不理想.究其根源,缺少对高考试题的 At present, there are still some problems in college entrance examination, such as the departure from or deviation from college entrance examination review requirements, lack of review or over-review and other phenomena, resulting in overburdened students, college entrance examination results unsatisfactory.