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函数知识历来是中考中的热点,与函数相关的题目更是层出不穷,新课标中就明确规定:能结合具体的问题情景体会函数的意义,通过对实际问题情景的分析来确定某函数的表达式.特别是近几年出现了大量设计新颖、贴近生活、反映时代特点的阅读理解题、开放探索题和函数应用题.试题不仅仅考查基础知识,还重点考查了函数思想和数形结合的思想,更着重
Function knowledge has always been a hot spot in senior high school entrance examination, and the topic related to the function is more and more emergent, the new curriculum standard clearly stipulates: can be combined with the specific problem scenario to understand the significance of the function, through the analysis of the actual problem scenarios to determine the expression of a function Especially in recent years there have been a large number of reading comprehension questions, open exploration questions and functional application questions that are novel in design, close to life and reflect the characteristics of the times.The test questions not only examine the basic knowledge, but also examine the combination of function ideas and numbers Thought, more emphasis