在高中数学学习中，选择题是常见的题型之一。它不仅考察学生对基本概念、公式、定理的掌握程度，还考察学生的逻辑思维和解题技巧。下面，我将针对高中数学选择题进行解析，并提供详细的答案详解。
一、选择题类型及特点
高中数学选择题主要分为以下几种类型：
- 概念理解题：考察学生对基本概念的理解，如函数、三角函数、数列等。
- 公式应用题：考察学生对公式的掌握和应用能力，如勾股定理、圆的方程等。
- 几何证明题：考察学生的几何思维和证明能力，如三角形、圆的性质等。
- 应用题：考察学生的实际问题解决能力，如概率、统计等。
选择题的特点是题干简洁，选项明确，便于学生快速判断。
二、解题技巧
- 排除法：对于不确定的选项，可以先排除明显错误的选项，提高正确率。
- 代入法：对于涉及函数、方程的选择题，可以代入选项进行验证。
- 画图法：对于几何题，可以画出图形，直观地找出答案。
三、例题解析及答案详解
例题1：已知函数\(f(x)=x^2-4x+3\)，则$f(2)=_____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
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