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1考点阐释1.有关集合的高考试题,考查重点是集合与集合之间的关系,集合语言与集合思想的应用,近年试题加强了对集合的计算化简的考查,与解绝对值不等式、一元二次不等式及分式不等式相关,在解决这些问题时,要注意利用几何的直观性,注意借助数轴与韦恩图,注意利用特殊值法解题,加强集合表示方法的转换和化简的训练,培养抽象思维能力.
1 Interpretation of the test center 1. The high test questions related to the set, the focus of the test is the relationship between sets and sets, the application of aggregate language and set ideas, and in recent years, the test questions have strengthened the calculation of set simplification, the solution of absolute value inequality, and a dollar The quadratic inequalities and fractional inequalities are related. When solving these problems, we must pay attention to the use of geometric intuition. Pay attention to the use of numerical axes and Wayne diagrams, pay attention to the use of the special value method to solve problems, and strengthen the conversion and simplification of the set representation method. , cultivate abstract thinking ability.