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2026合肥高三二模|试卷分析

  • 2026-05-19 02:11:53
2026合肥高三二模|试卷分析
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01

知识点分析

自查知识薄弱点

02
试卷原文

免责声明:本试卷分析内容仅供教学教研、学生学习参考使用,真题版权归官方命题机构所有,本账号仅做公益教学解析,不用于商业盈利,侵删。

03
易错点-

第1题:集合的补集与交集运算,易漏看全集范围,混淆交集和并集符号。

第2题:复数除法运算与复平面象限判断,易忘记分母实数化,或混淆实部虚部的正负。

第3题:数列前n项和与通项的关系,易忽略n≥2的条件,或公比计算错误。

第4题:直线与抛物线的弦长计算,易联立方程出错,或弦长公式忘记乘以√1+k²。

第5题:三角恒等变换,易记错和差公式,或忽略分母不为零的隐含条件。

第6题:圆柱侧面积最值与外接球体积,易截面周长分析错误,或外接球半径推导失误。

第7题:指数对数大小比较,易换底公式应用不熟,或中间值判断失误。

第8题:解三角形与正弦定理,易角度拆分不清,或多步推导中三角函数值计算错误。

第9题:统计事件的独立性与频率估计,易混淆互斥与独立事件,或组中值使用错误。

第10题:平行六面体的线面关系与异面直线夹角,易线面垂直判定错误,或向量夹角余弦值符号出错。

第11题:双曲线轨迹与斜率之积,易轨迹方程推导错误,或垂足轨迹最大值计算失误。

第12题:向量数量积与夹角计算,易公式记错,或忽略非零向量条件导致分母为零。

第13题:正切函数的周期与参数求解,易周期判断错误,或φ的范围限制忽略。

第14题:函数单调性与上确界,易单调性分析不彻底,或绝对值和的最大值判断错误。

第15题:全概率与贝叶斯公式,易条件概率公式混淆,或事件概率计算错误。

第16题:导数切线方程与函数零点,易切线方程推导错误,或零点分类讨论不全面。

第17题:椭圆切线与面积最值,易切线方程性质应用不熟,或定值问题计算逻辑错误。

第18题:立体几何翻折问题,易翻折前后几何关系分析不清,或二面角与体积最值计算错误。

第19题:概率期望与数列不等式,易期望公式应用不熟,或不等式放缩技巧掌握不足。

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  137. /yingpanguazai/ssd/ssd1/www/www.sjds.net/vendor/topthink/think-template/src/template/driver/File.php ( 2.41 KB )
  138. /yingpanguazai/ssd/ssd1/www/www.sjds.net/vendor/topthink/think-template/src/template/contract/DriverInterface.php ( 0.86 KB )
  139. /yingpanguazai/ssd/ssd1/www/www.sjds.net/runtime/temp/5febe16c9207553ef9b4c4406f7af920.php ( 12.06 KB )
  140. /yingpanguazai/ssd/ssd1/www/www.sjds.net/vendor/topthink/think-trace/src/Html.php ( 4.42 KB )
  1. CONNECT:[ UseTime:0.000392s ] mysql:host=127.0.0.1;port=3306;dbname=www_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000605s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000398s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000251s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000491s ]
  6. SELECT * FROM `set` [ RunTime:0.000204s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000526s ]
  8. SELECT * FROM `article` WHERE `id` = 494447 LIMIT 1 [ RunTime:0.006051s ]
  9. UPDATE `article` SET `lasttime` = 1779166495 WHERE `id` = 494447 [ RunTime:0.009618s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000248s ]
  11. SELECT * FROM `article` WHERE `id` < 494447 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.003092s ]
  12. SELECT * FROM `article` WHERE `id` > 494447 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000489s ]
  13. SELECT * FROM `article` WHERE `id` < 494447 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.004934s ]
  14. SELECT * FROM `article` WHERE `id` < 494447 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.003285s ]
  15. SELECT * FROM `article` WHERE `id` < 494447 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000814s ]
0.099989s