[复习说明 ]由于高考选择题与填空题注重多个知识点的小型综合 ,渗透各种数学思想和方法 ,体现利用基础知识考能力的新导向 ,因而中、低档题的选择与填空题仍为具备较佳区分度的基本题型 .特别近年来命题指导思想又倾向于“多题把关”,并把开放型问题引入填空题中 ,明显加大了 [Review explanation] As the college entrance examination multiple-choice questions and fill-in questions focus on the small-scale synthesis of multiple knowledge points, infiltrating various mathematical ideas and methods, and embodying the new orientation of using basic knowledge examination abilities, the selection and filling in of middle and low-grade questions is still Basic question types with better discrimination. Especially in recent years, the propositional guiding ideology has tended to “multiple questions,” and has introduced open questions to fill in blanks.