1研究的背景1.12008年高考江苏卷(数学)《考试说明》的出台,首先试卷结构发生了重大变化,虽然难易程度由去年的3∶5∶2调整为4∶4∶2,但是去年的10道选择题取消了,08年全部变成了14道填空题.传统的选择题变成填空题,难度明显是加大了,对考生的数学知识广度要求更高.这就意味着 1 Background of the study 1. The publication of the “Examination Notes” for the Jiangsu Curriculum (Mathematics) of the College Entrance Examination in 12008, first of all, significant changes have taken place in the structure of the examination paper. Although the ease was adjusted to 4: 4: 2 from 3:5:2 last year, The 10 multiple-choice questions were canceled, and all of them became 14 blank-fill questions in 2008. The traditional multiple-choice questions become blank-filling questions, the difficulty is obviously increased, and the candidate’s math knowledge breadth requirements are higher.