• 来朴新,做学霸! 量身打造精品课程.
  • 济南朴新教育专业学习力测评+免费试卷分析。
  • 济南朴新教育免费试听再报名。

400-882-5311

高中物理学习进阶指南:从知识体系到辅导书的深度解析

来源:济南朴新教育 时间:05-28

高中物理学习进阶指南:从知识体系到辅导书的深度解析

高中物理知识体系的底层逻辑

物理作为研究物质运动规律的学科,高中阶段的内容可视为一套完整的认知框架。其中约80%的核心模块围绕「力与运动」展开——从基础的牛顿三定律到机械能守恒,再到电磁学中的电场力、安培力应用,本质上都是在探讨「如何通过力的作用解释物体运动状态的变化」。剩余20%的拓展内容则像打开认知边界的窗口,涵盖波动(如机械波与电磁波)、光学(光的折射与干涉)、热学(分子动理论与热力学定律)及原子物理(原子核结构与衰变)四大分支,这些内容虽占比不高,却能帮助学生建立更立体的物理世界观。

以力学为例,从质点的匀速直线运动到曲线运动的向心力分析,再到天体运动中万有引力的应用,知识脉络呈现「从简单到复杂、从宏观到微观」的递进特征。理解这种底层逻辑后,学生能更清晰地把握知识点间的关联,避免孤立记忆公式的低效学习模式。

突破基础复习瓶颈的关键工具

传统教材复习常面临「知识点分散、重点不突出」的问题——翻书时看似都会,合上书却记不清关键概念。解决这一痛点的有效方法,是构建「知识结构图」。具体操作可分三步:首先,按章节梳理核心概念(如力学中的力的合成与分解、牛顿定律);其次,用箭头标注知识点间的逻辑关系(如加速度是连接力与运动的桥梁);最后,在图中标记易混淆点(如区分动能定理与机械能守恒的适用条件)。

以电磁学章节为例,知识结构图可围绕「电场→电势→电容→电路」的主线展开,将库仑定律、电场强度、电势差等概念串联成网。这种可视化的呈现方式,能让学生在30分钟内完成一整章的基础复习,较传统翻书模式效率提升40%以上。

从基础练习到思维进阶的实践路径

学校练习册的基础题看似简单,却是构建物理思维的基石。比如一道关于「匀变速直线运动」的计算题,表面考的是公式应用,实则训练学生「明确研究对象→分析受力→建立坐标系→列方程求解」的完整解题流程。这类题目正确率需稳定在90%以上,才能为后续难题攻坚打下扎实基础。

面对高考中可能出现的创新题型(如结合生活场景的电磁感应问题),适当接触竞赛题能有效提升「无思路时的破题能力」。例如一道竞赛题要求分析「磁悬浮列车加速过程中能量转化」,解题关键在于跳出常规的受力分析,从能量守恒角度重新建模。这种训练能帮助学生养成「多维度切入问题」的思维习惯,即使遇到陌生题型也能快速找到突破口。

值得强调的是,物理学习的本质是「用科学语言解释自然现象」。当学生能自主解答「为什么微波炉能加热食物」「卫星变轨为何需要加速」等生活问题时,说明已真正掌握了物理思维——这比单纯刷高分更有意义。

不同阶段辅导书的精准选择策略

市场上物理辅导书琳琅满目,选择时需结合学习阶段与目标。以下三本经典教辅,覆盖从同步学习到高考冲刺的全周期需求:

1. 《王后雄教材完全解读》——同步学习与考点突破

作为同步辅导的标杆书籍,该书特点是「知识点与例题深度绑定」。每章开篇梳理核心考点(如「机械能守恒的三个判断条件」),随后匹配典型例题(包含基础题、变式题、拓展题),并在答案中详细标注「解题突破口」和「易错点提示」。适合新课学习阶段使用,尤其推荐给「上课能听懂、做题易出错」的学生。若目标是冲击90+高分,可在每章学完后完成书末的「章末综合训练」,进一步强化知识体系。

2. 《五年高考三年模拟》——高考冲刺的「真题数据库」

高考复习的核心是「研究真题规律」,而《五三》正是基于此需求设计的工具。书中收录近五年全国及各省市高考真题,按考点分类编排(如「力学综合题」「电磁学压轴题」),每道题旁标注「考查频率」「难度系数」及「命题趋势分析」。使用时建议分两步:一轮复习时按考点专项突破,重点总结同类题的解题模板;二轮复习时限时完成套卷,模拟考场节奏。需注意,该书适合有一定基础的学生,若基础薄弱需先配合《王后雄》打牢根基。

3. 华东师大版《一课一练》——同步巩固的「阶梯训练库」

作为同步练习册的代表,《一课一练》的优势在于「题目梯度设计科学」。每节内容包含「基础巩固」(对应课堂知识点)、「能力提升」(综合2-3个知识点)、「拓展探究」(联系生活或跨学科问题)三个层次,难度逐步递增。书中虽无知识点总结,但题目均经过精心筛选,避免偏题怪题,适合新课学习后及时巩固。建议每天完成15-20题,保持学习连贯性。

物理学习的底层心法:推导代替记忆

许多学生陷入「背公式→忘公式→再背」的循环,根本原因是未理解公式的物理意义。正确的做法是「从基本原理推导公式」——例如,从牛顿第二定律F=ma和运动学公式v=v₀+at出发,推导动能定理W=ΔEk的过程,不仅能记住公式,更能理解「力对空间的累积效应对应动能变化」的本质。

日常练习中,可刻意训练「无公式推导」能力:遇到题目先回忆相关定律(如能量守恒、动量守恒),再尝试从定律出发推导出所需公式。这种训练不仅能加深对概念的理解,还能提升代数运算能力——这是解决复杂物理题的必备技能。

基本 文件 流程 错误 SQL 调试
  1. 请求信息 : 2026-04-06 07:25:46 HTTP/1.1 GET : http://www.edumq.com/s/218/n/12800.html
  2. 运行时间 : 0.012184s [ 吞吐率:82.07req/s ] 内存消耗:406.89kb 文件加载:137
  3. 缓存信息 : 0 reads,0 writes
  1. /data/web/baijiao_branch_collect/public/index.php ( 0.79 KB )
  2. /data/web/baijiao_branch_collect/vendor/autoload.php ( 0.75 KB )
  3. /data/web/baijiao_branch_collect/vendor/composer/autoload_real.php ( 1.63 KB )
  4. /data/web/baijiao_branch_collect/vendor/composer/platform_check.php ( 0.90 KB )
  5. /data/web/baijiao_branch_collect/vendor/composer/ClassLoader.php ( 15.99 KB )
  6. /data/web/baijiao_branch_collect/vendor/composer/autoload_static.php ( 4.26 KB )
  7. /data/web/baijiao_branch_collect/vendor/topthink/think-helper/src/helper.php ( 8.34 KB )
  8. /data/web/baijiao_branch_collect/vendor/topthink/think-validate/src/helper.php ( 2.19 KB )
  9. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/helper.php ( 1.47 KB )
  10. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/stubs/load_stubs.php ( 0.16 KB )
  11. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/Exception.php ( 1.69 KB )
  12. /data/web/baijiao_branch_collect/vendor/topthink/think-container/src/Facade.php ( 2.71 KB )
  13. /data/web/baijiao_branch_collect/vendor/symfony/deprecation-contracts/function.php ( 0.99 KB )
  14. /data/web/baijiao_branch_collect/vendor/symfony/polyfill-mbstring/bootstrap.php ( 8.26 KB )
  15. /data/web/baijiao_branch_collect/vendor/symfony/polyfill-mbstring/bootstrap80.php ( 9.78 KB )
  16. /data/web/baijiao_branch_collect/vendor/symfony/var-dumper/Resources/functions/dump.php ( 1.49 KB )
  17. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/App.php ( 15.30 KB )
  18. /data/web/baijiao_branch_collect/vendor/topthink/think-container/src/Container.php ( 15.76 KB )
  19. /data/web/baijiao_branch_collect/vendor/psr/container/src/ContainerInterface.php ( 1.02 KB )
  20. /data/web/baijiao_branch_collect/app/provider.php ( 0.19 KB )
  21. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/Http.php ( 6.04 KB )
  22. /data/web/baijiao_branch_collect/vendor/topthink/think-helper/src/helper/Str.php ( 7.29 KB )
  23. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/Env.php ( 4.68 KB )
  24. /data/web/baijiao_branch_collect/app/common.php ( 10.83 KB )
  25. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/helper.php ( 18.78 KB )
  26. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/Config.php ( 5.54 KB )
  27. /data/web/baijiao_branch_collect/config/app.php ( 1.29 KB )
  28. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/facade/Env.php ( 1.67 KB )
  29. /data/web/baijiao_branch_collect/config/cache.php ( 1.22 KB )
  30. /data/web/baijiao_branch_collect/config/config.php ( 0.26 KB )
  31. /data/web/baijiao_branch_collect/config/console.php ( 0.29 KB )
  32. /data/web/baijiao_branch_collect/config/cookie.php ( 0.56 KB )
  33. /data/web/baijiao_branch_collect/config/database.php ( 2.29 KB )
  34. /data/web/baijiao_branch_collect/config/filesystem.php ( 0.63 KB )
  35. /data/web/baijiao_branch_collect/config/lang.php ( 0.81 KB )
  36. /data/web/baijiao_branch_collect/config/log.php ( 1.37 KB )
  37. /data/web/baijiao_branch_collect/config/middleware.php ( 0.19 KB )
  38. /data/web/baijiao_branch_collect/config/route.php ( 1.54 KB )
  39. /data/web/baijiao_branch_collect/config/session.php ( 0.57 KB )
  40. /data/web/baijiao_branch_collect/config/trace.php ( 0.34 KB )
  41. /data/web/baijiao_branch_collect/config/view.php ( 0.81 KB )
  42. /data/web/baijiao_branch_collect/app/event.php ( 0.25 KB )
  43. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/Event.php ( 7.67 KB )
  44. /data/web/baijiao_branch_collect/app/service.php ( 0.13 KB )
  45. /data/web/baijiao_branch_collect/app/AppService.php ( 0.26 KB )
  46. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/Service.php ( 1.64 KB )
  47. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/Lang.php ( 7.35 KB )
  48. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/lang/zh-cn.php ( 13.70 KB )
  49. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/initializer/Error.php ( 3.31 KB )
  50. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/initializer/RegisterService.php ( 1.33 KB )
  51. /data/web/baijiao_branch_collect/vendor/services.php ( 0.14 KB )
  52. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/service/PaginatorService.php ( 1.52 KB )
  53. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/service/ValidateService.php ( 0.99 KB )
  54. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/service/ModelService.php ( 2.04 KB )
  55. /data/web/baijiao_branch_collect/vendor/topthink/think-trace/src/Service.php ( 0.77 KB )
  56. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/Middleware.php ( 6.72 KB )
  57. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/initializer/BootService.php ( 0.77 KB )
  58. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/Paginator.php ( 11.86 KB )
  59. /data/web/baijiao_branch_collect/vendor/topthink/think-validate/src/Validate.php ( 63.20 KB )
  60. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/Model.php ( 23.55 KB )
  61. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/model/concern/Attribute.php ( 21.05 KB )
  62. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/model/concern/AutoWriteData.php ( 4.20 KB )
  63. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/model/concern/Conversion.php ( 6.75 KB )
  64. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/model/concern/DbConnect.php ( 5.16 KB )
  65. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/model/concern/ModelEvent.php ( 2.33 KB )
  66. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/model/concern/RelationShip.php ( 28.30 KB )
  67. /data/web/baijiao_branch_collect/vendor/topthink/think-helper/src/contract/Arrayable.php ( 0.09 KB )
  68. /data/web/baijiao_branch_collect/vendor/topthink/think-helper/src/contract/Jsonable.php ( 0.13 KB )
  69. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/model/contract/Modelable.php ( 0.09 KB )
  70. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/Db.php ( 2.88 KB )
  71. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/DbManager.php ( 8.52 KB )
  72. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/Log.php ( 6.28 KB )
  73. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/Manager.php ( 3.92 KB )
  74. /data/web/baijiao_branch_collect/vendor/psr/log/src/LoggerTrait.php ( 2.69 KB )
  75. /data/web/baijiao_branch_collect/vendor/psr/log/src/LoggerInterface.php ( 2.71 KB )
  76. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/Cache.php ( 4.92 KB )
  77. /data/web/baijiao_branch_collect/vendor/psr/simple-cache/src/CacheInterface.php ( 4.71 KB )
  78. /data/web/baijiao_branch_collect/vendor/topthink/think-helper/src/helper/Arr.php ( 17.45 KB )
  79. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/cache/driver/Redis.php ( 6.94 KB )
  80. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/cache/Driver.php ( 9.03 KB )
  81. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/contract/CacheHandlerInterface.php ( 1.99 KB )
  82. /data/web/baijiao_branch_collect/app/Request.php ( 0.09 KB )
  83. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/Request.php ( 55.78 KB )
  84. /data/web/baijiao_branch_collect/app/middleware.php ( 0.26 KB )
  85. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/Pipeline.php ( 2.61 KB )
  86. /data/web/baijiao_branch_collect/vendor/topthink/think-trace/src/TraceDebug.php ( 3.40 KB )
  87. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/Route.php ( 23.73 KB )
  88. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/route/RuleName.php ( 5.75 KB )
  89. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/route/Domain.php ( 2.53 KB )
  90. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/route/RuleGroup.php ( 22.43 KB )
  91. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/route/Rule.php ( 26.95 KB )
  92. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/route/RuleItem.php ( 9.78 KB )
  93. /data/web/baijiao_branch_collect/route/app.php ( 3.05 KB )
  94. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/facade/Route.php ( 4.70 KB )
  95. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/route/dispatch/Controller.php ( 4.74 KB )
  96. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/route/Dispatch.php ( 10.44 KB )
  97. /data/web/baijiao_branch_collect/app/controller/Index.php ( 33.26 KB )
  98. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/facade/Request.php ( 9.20 KB )
  99. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/route/Url.php ( 14.07 KB )
  100. /data/web/baijiao_branch_collect/app/model/IndexModel.php ( 19.95 KB )
  101. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/facade/Config.php ( 1.37 KB )
  102. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/facade/Cache.php ( 2.06 KB )
  103. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/facade/Db.php ( 0.93 KB )
  104. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/db/connector/Mysql.php ( 5.73 KB )
  105. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/db/PDOConnection.php ( 53.74 KB )
  106. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/db/Connection.php ( 8.39 KB )
  107. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/db/ConnectionInterface.php ( 4.57 KB )
  108. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/db/builder/Mysql.php ( 16.58 KB )
  109. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/db/Builder.php ( 24.07 KB )
  110. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/db/BaseBuilder.php ( 27.50 KB )
  111. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/db/Query.php ( 15.97 KB )
  112. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/db/BaseQuery.php ( 45.13 KB )
  113. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/db/concern/TimeFieldQuery.php ( 7.43 KB )
  114. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/db/concern/AggregateQuery.php ( 3.26 KB )
  115. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/db/concern/ModelRelationQuery.php ( 20.07 KB )
  116. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/db/concern/ParamsBind.php ( 3.66 KB )
  117. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/db/concern/ResultOperation.php ( 7.01 KB )
  118. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/db/concern/WhereQuery.php ( 19.37 KB )
  119. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/db/concern/JoinAndViewQuery.php ( 7.11 KB )
  120. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/db/concern/TableFieldInfo.php ( 2.63 KB )
  121. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/db/concern/Transaction.php ( 2.77 KB )
  122. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/log/driver/File.php ( 5.96 KB )
  123. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/contract/LogHandlerInterface.php ( 0.86 KB )
  124. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/log/Channel.php ( 3.89 KB )
  125. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/event/LogRecord.php ( 1.02 KB )
  126. /data/web/baijiao_branch_collect/vendor/topthink/think-helper/src/Collection.php ( 16.47 KB )
  127. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/Response.php ( 8.81 KB )
  128. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/response/View.php ( 3.29 KB )
  129. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/Cookie.php ( 6.06 KB )
  130. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/View.php ( 4.39 KB )
  131. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/view/driver/Php.php ( 6.44 KB )
  132. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/contract/TemplateHandlerInterface.php ( 1.60 KB )
  133. /data/web/baijiao_branch_collect/view/index/pc/school_news_details.php ( 2.39 KB )
  134. /data/web/baijiao_branch_collect/view/index/pc/school_top.php ( 5.76 KB )
  135. /data/web/baijiao_branch_collect/view/index/pc/school_right.php ( 2.17 KB )
  136. /data/web/baijiao_branch_collect/view/index/pc/school_bottom.php ( 1.16 KB )
  137. /data/web/baijiao_branch_collect/vendor/topthink/think-trace/src/Html.php ( 4.42 KB )
  1. CONNECT:[ UseTime:0.000321s ] mysql:host=127.0.0.1;port=3306;dbname=baijiao_branch_collect;charset=utf8
  2. SHOW FULL COLUMNS FROM `fqi_school` [ RunTime:0.000967s ]
  3. SELECT * FROM `fqi_school` WHERE `school_id` = '218' AND `site_id` = 11 AND `school_status` = 1 LIMIT 1 [ RunTime:0.000264s ]
  4. SHOW FULL COLUMNS FROM `fqi_school_class` [ RunTime:0.000606s ]
  5. SELECT * FROM `fqi_school_class` WHERE `school_id` = 218 [ RunTime:0.000191s ]
  6. SHOW FULL COLUMNS FROM `fqi_school_campus` [ RunTime:0.000640s ]
  7. SELECT * FROM `fqi_school_campus` WHERE `school_id` = 218 [ RunTime:0.000237s ]
  8. SHOW FULL COLUMNS FROM `fqi_school_news` [ RunTime:0.000660s ]
  9. SELECT `a`.*,`content` FROM `fqi_school_news` `a` LEFT JOIN `fqi_school_news_content` `b` ON `b`.`content_id`=`a`.`content_id` WHERE `school_id` = 218 AND `a`.`content_id` = '12800' AND `news_status` = 1 AND `school_status` = 1 LIMIT 1 [ RunTime:0.000860s ]
  10. (select content_id,news_name,school_id from fqi_school_news where school_id = '218' and content_id < '12800' and site_id <= '11' order by content_id desc limit 1) union all(select content_id,news_name,school_id from fqi_school_news where school_id = '218' and content_id > '12800' and site_id <= '11' order by content_id asc limit 1) [ RunTime:0.000432s ]
  11. SHOW FULL COLUMNS FROM `fqi_school_course` [ RunTime:0.000677s ]
  12. SELECT * FROM `fqi_school_course` WHERE `school_id` = 218 AND `site_id` = 11 AND `course_status` = 1 AND `school_status` = 1 ORDER BY `course_id` DESC LIMIT 4 [ RunTime:0.000316s ]
  13. SELECT * FROM `fqi_school_course` WHERE `school_id` = 218 AND `school_status` = 1 AND `course_status` = 1 ORDER BY `course_id` DESC LIMIT 8 [ RunTime:0.000194s ]
  14. SELECT * FROM `fqi_school_news` WHERE `school_id` = 218 ORDER BY `click` DESC,`news_id` DESC LIMIT 5 [ RunTime:0.000165s ]
  15. SELECT `content_id`,`news_name`,`a`.`school_id`,`b`.`school_name` FROM `fqi_school_news` `a` LEFT JOIN `fqi_school` `b` ON `b`.`school_id`=`a`.`school_id` WHERE `a`.`site_id` = '11' AND `b`.`school_status` = '1' AND `news_status` = 1 AND `content_id` < 12800 ORDER BY `content_id` DESC LIMIT 20 [ RunTime:0.001360s ]
0.012516s