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抽象函数问题是高考的热点内容,从近几年全国各地的高考试题看,既有着力对函数的概念、图象及性质等基础知识进行考查的试题,又有突出对函数的综合运用能力、逻辑思维能力及抽象概括能力进行考查的试题．由于抽象函数问题具有题型的新颖性、内容的开放性、解法的灵活性和思维的抽象性等特点,所以它备受高考命题人的青睐．
The abstract function problem is the hottest content of the college entrance examination. From the high examination questions in various parts of the country in recent years, there is a question that examines the basic knowledge of the concept, image, and nature of the function, and highlights the comprehensive use of the function. The ability to think logically and abstractly summarize the questions. Because the abstract function problem has the novelty of the question type, the openness of the content, the flexibility of the solution and the abstractness of the thinking, it is highly favored by the college entrance examination proposition.