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2023-2024学年深圳中学九年级(下)第一次模考数学试卷

  • 2026-07-12 02:53:37
2023-2024学年深圳中学九年级(下)第一次模考数学试卷

2023-2024学年深圳中学九年级（下）第一次模考数学试卷

初三  |  数学  |  模考卷  |  下学期  |  深圳中学

考察知识点

核心立体几何空间想象能力，包括正方体展开图识别和三视图分析
核心二次函数综合应用，涉及图像性质、变换规律和实际问题建模
重点平面几何证明推理，特别是相似三角形、圆的性质和轴对称变换
重点概率统计计算方法，包括加权平均数和数据分析能力
基础代数基本运算技能，包括幂运算、分式化简和方程组求解
基础函数图像识别能力，理解函数性质与图像特征的对应关系

中考权重

选择填空基础题35%
中等综合应用题40%
高难度压轴题25%

重点题型

动态几何综合题难

结合函数图像的动点问题，需要建立坐标系分析面积变化规律

古代数学应用题中

以传统文化为背景的方程组建模问题，体现数学文化价值

立体图形识别题易

正方体展开图和三视图的基础空间想象能力考查

命题趋势

① 传统文化与现：传统文化与现代数学融合，通过剪纸艺术、古代典籍等载体考查数学知识

② 实际生活情境：实际生活情境建模，如共享单车、城市规划等现实问题的数学化处理

③ 综合能力分层：综合能力分层考查，从基础计算到高阶思维的完整能力梯度设计

④ 动态几何与函：动态几何与函数结合，注重数形结合思想和变化规律探索能力

备考策略

① 加强空间想象：加强空间想象能力训练，多做立体图形的展开、折叠和视图转换练习
② 重视数学文化：重视数学文化背景题型，提升在传统文化情境下的数学建模能力
③ 强化函数与几：强化函数与几何的综合应用，特别是动点问题的坐标化处理方法
④ 培养分类讨论：培养分类讨论和数形结合思维，提高复杂问题的系统分析能力

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  137. /yingpanguazai/ssd/ssd1/www/c.460.net.cn/vendor/topthink/think-template/src/template/driver/File.php ( 2.41 KB )
  138. /yingpanguazai/ssd/ssd1/www/c.460.net.cn/vendor/topthink/think-template/src/template/contract/DriverInterface.php ( 0.86 KB )
  139. /yingpanguazai/ssd/ssd1/www/c.460.net.cn/runtime/temp/a3df6b94aede6ebd0d2926ccdfcd20d5.php ( 11.98 KB )
  140. /yingpanguazai/ssd/ssd1/www/c.460.net.cn/vendor/topthink/think-trace/src/Html.php ( 4.42 KB )
  1. CONNECT:[ UseTime:0.001022s ] mysql:host=127.0.0.1;port=3306;dbname=c460;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001465s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000684s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.005762s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001561s ]
  6. SELECT * FROM `set` [ RunTime:0.049900s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001796s ]
  8. SELECT * FROM `article` WHERE `id` = 625240 LIMIT 1 [ RunTime:0.005821s ]
  9. UPDATE `article` SET `lasttime` = 1784266236 WHERE `id` = 625240 [ RunTime:0.020465s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000384s ]
  11. SELECT * FROM `article` WHERE `id` < 625240 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.048625s ]
  12. SELECT * FROM `article` WHERE `id` > 625240 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.009547s ]
  13. SELECT * FROM `article` WHERE `id` < 625240 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.025001s ]
  14. SELECT * FROM `article` WHERE `id` < 625240 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.046749s ]
  15. SELECT * FROM `article` WHERE `id` < 625240 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.004052s ]
0.385216s