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2023-2024学年深圳市33校九年级(下)第一次模考数学试卷

  • 2026-08-31 14:06:04
2023-2024学年深圳市33校九年级(下)第一次模考数学试卷

2023-2024学年深圳市33校九年级（下）第一次模考数学试卷

初三  |  数学  |  模考卷  |  下学期  |  深圳市33校

考察知识点

核心二次函数图像变换与性质分析，包括开口方向、对称轴、最值等关键特征
核心相似三角形的判定与性质应用，特别是在实际测量问题中的运用
重点锐角三角函数在直角三角形中的计算与应用
重点一元二次方程的多种解法选择与比较分析
基础三视图的识别与空间几何体的还原
基础平行线分线段成比例定理的应用

中考权重

选择题基础知识30%
几何综合应用35%
函数与方程综合35%

重点题型

函数图像综合分析难

需要综合运用二次函数、一次函数、反比例函数的性质进行图像识别与分析

相似三角形实际应用中

将生活中的测量问题转化为相似三角形模型，考查数学建模能力

基本概念识别易

三视图识别、基本几何性质判断等基础知识点考查

命题趋势

① 注重基础知识：注重基础知识与实际应用的有机结合

② 强化几何与代：强化几何与代数的融合考查，体现数形结合思想

③ 融入传统文化：融入传统文化元素，如《九章算术》等古代数学文化

④ 情境化命题趋：情境化命题趋势明显，注重数学建模能力培养

⑤ 能力立意为主：能力立意为主，重视分析推理和问题解决能力

备考策略

① 加强基础知识：加强基础知识的系统梳理，确保选择题部分的稳定得分
② 重点训练相似：重点训练相似三角形与函数的综合应用，提升解决实际问题的能力
③ 注重解题方法：注重解题方法的优化选择，培养「一题多解」的思维灵活性
④ 强化数形结合：强化数形结合思想的应用，提高图像分析和几何推理能力

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  9. UPDATE `article` SET `lasttime` = 1788662164 WHERE `id` = 635708 [ RunTime:0.003230s ]
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  15. SELECT * FROM `article` WHERE `id` < 635708 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.001146s ]
0.071768s