• 指导参训学员顺利通过考试
  • 为一、二建通关打下基础
  • 从事建筑行业执业资格考前辅导的培训机构

400-666-4820

消防工程师高效备考全流程指南:5大科学学习法深度解析

来源:青岛慧嘉森教育 时间:10-05

消防工程师高效备考全流程指南:5大科学学习法深度解析

分章节构建知识体系:从零散到系统的关键步骤

消防工程师考试的知识结构具有强关联性,技术实务、综合能力、案例分析三科内容环环相扣。许多备考者初期容易陷入"碎片化学习"误区——今天看两页规范条文,明天背几个计算公式,看似忙碌却难以形成知识网络。解决这一问题的核心,是建立"按章节推进"的学习节奏。

具体操作时,建议以教材目录为基准,每完成一章学习后,用A4纸手绘知识图谱:左侧列出核心概念(如火灾危险性分类),中间标注关联知识点(建筑防火间距、消防设施配置要求),右侧记录易混淆点(甲乙类厂房的不同消防要求)。这个过程不仅能检验知识掌握程度,更能通过视觉化呈现,将零散内容串联成有机整体。以《建筑防火》章节为例,完成基础学习后,通过梳理"建筑分类-耐火等级-防火间距-安全疏散"的逻辑链条,后续学习《消防设施》时就能快速关联"不同建筑类型对应的设施配置标准",学习效率可提升30%以上。

20分钟黄金巩固期:趁热打铁的记忆强化技巧

认知心理学研究表明,新信息输入大脑后,前20分钟是记忆留存的"黄金窗口"。此时大脑对新内容的敏感度最高,及时巩固能使短期记忆向长期记忆的转化率提升50%以上。这正是许多高效备考者强调"课后不立即合书"的科学依据。

具体操作可分三步:步,用2-3分钟闭眼回忆刚学内容,尝试复述核心概念(如"自动喷水灭火系统的分类");第二步,对照笔记补充遗漏点,重点标注模糊区域(如"干式系统与预作用系统的区别");第三步,选取3-5道对应章节的练习题,通过实际应用检验掌握程度。例如学习完《消防给水及消火栓系统》后,立即完成"某多层公共建筑消火栓用水量计算"的例题,既能巩固公式应用,又能发现"火灾延续时间取值"等细节疏漏。需要注意的是,这一阶段的练习无需追求难度,重点在于"即时反馈",帮助大脑建立初步的知识联结。

周期性复习机制:对抗遗忘的系统解决方案

随着备考周期延长,知识遗忘是普遍存在的现象。有备考者曾做过统计:若学完一章后不再复习,1周后仅能保留30%的内容;而采用科学复习策略的学习者,3个月后仍能保留70%以上的核心知识。这其中的关键,在于建立"短期-中期-长期"的三级复习机制。

短期复习(学习后1-3天):重点回顾章节知识图谱,解决课后练习中的错题;中期复习(学习后7-10天):结合跨章节题目,检验知识串联能力(如"某丙类厂房的防火间距与自动喷水系统配置的关联");长期复习(学习后1个月):通过套题训练,模拟真实考试场景,强化知识提取速度。以《消防设施》部分为例,学完"灭火器配置"章节后,第2天复习重点是"配置场所危险等级划分",第8天结合"建筑分类"章节做综合题,第30天在模拟卷中检验"不同场所灭火器类型选择"的应用能力。这种阶梯式复习不仅能对抗遗忘,更能逐步提升知识应用的熟练度。

错题管理系统:从错误中提炼提分关键

备考过程中,错题是价值的学习资源。但许多人仅停留在"记录错误"层面,未深入分析背后的知识漏洞。高效的错题管理应包含"分类-溯源-强化"三个环节。

首先,按错误类型分类:知识型错误(如记错"仓库防火分区允许建筑面积")、方法型错误(如未掌握"火灾危险性分类的判定逻辑")、粗心型错误(如单位换算错误)。其次,针对每类错误溯源:知识型错误需回到教材重新学习对应章节;方法型错误要总结解题步骤(如"火灾危险性分类需依次判断物质性质-储存方式-建筑条件");粗心型错误需制定检查清单(如"计算题完成后核对单位、小数点")。最后,建立"错题复现机制":每周抽取5-10道典型错题重做,连续3次正确后标记为"已掌握"。实践数据显示,坚持这种错题管理的备考者,在同类题型中的正确率可从60%提升至90%以上。

把握生物节律:利用黄金时段提升学习效能

每个人的大脑活跃度存在昼夜差异,合理利用生物节律能显著提升学习效率。根据多数人的生理特点,可重点关注三个黄金时段。

个时段是晨起后1小时(约6:30-7:30)。此时大脑经过一夜休息,干扰信息最少,适合进行需要强记忆的内容(如消防规范中的数值规定、系统组件名称)。第二个时段是睡前1小时(约21:30-22:30)。研究表明,睡眠过程中大脑会自动整理记忆,此时复习新学内容,能使记忆留存率提高40%。第三个时段是晚饭后1-2小时(约19:00-20:00)。此时身体处于放松状态,适合学习需要理解的内容(如消防设施的工作原理、火灾场景分析)。需要注意的是,个体差异较大,建议备考者连续7天记录不同时段的学习状态,找到最适合自己的"高效区间"。

总结来看,消防工程师的学习过程本质是"知识体系构建+记忆强化+应用训练"的有机结合。通过分章节推进建立框架、课后及时巩固强化记忆、周期性复习对抗遗忘、错题管理精准补漏、黄金时段高效学习,备考者完全可以打破"低效努力"的困局,实现从"零散学习"到"系统掌握"的跨越。

课程导航
校区导航
基本 文件 流程 错误 SQL 调试
  1. 请求信息 : 2026-04-06 02:07:42 HTTP/1.1 GET : http://www.aabqn.com/s/3987/n/24287.html
  2. 运行时间 : 0.011310s [ 吞吐率:88.42req/s ] 内存消耗:390.02kb 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:0.000287s ] mysql:host=127.0.0.1;port=3306;dbname=baijiao_branch_collect;charset=utf8
  2. SHOW FULL COLUMNS FROM `fqi_school` [ RunTime:0.000846s ]
  3. SELECT * FROM `fqi_school` WHERE `school_id` = '3987' AND `site_id` = 18 AND `school_status` = 1 LIMIT 1 [ RunTime:0.000235s ]
  4. SHOW FULL COLUMNS FROM `fqi_school_class` [ RunTime:0.000558s ]
  5. SELECT * FROM `fqi_school_class` WHERE `school_id` = 3987 [ RunTime:0.000216s ]
  6. SHOW FULL COLUMNS FROM `fqi_school_campus` [ RunTime:0.000609s ]
  7. SELECT * FROM `fqi_school_campus` WHERE `school_id` = 3987 [ RunTime:0.000203s ]
  8. SHOW FULL COLUMNS FROM `fqi_school_news` [ RunTime:0.000613s ]
  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` = 3987 AND `a`.`content_id` = '24287' AND `news_status` = 1 AND `school_status` = 1 LIMIT 1 [ RunTime:0.000254s ]
  10. (select content_id,news_name,school_id from fqi_school_news where school_id = '3987' and content_id < '24287' and site_id <= '18' order by content_id desc limit 1) union all(select content_id,news_name,school_id from fqi_school_news where school_id = '3987' and content_id > '24287' and site_id <= '18' order by content_id asc limit 1) [ RunTime:0.000435s ]
  11. SHOW FULL COLUMNS FROM `fqi_school_course` [ RunTime:0.000697s ]
  12. SELECT * FROM `fqi_school_course` WHERE `school_id` = 3987 AND `site_id` = 18 AND `course_status` = 1 AND `school_status` = 1 ORDER BY `course_id` DESC LIMIT 4 [ RunTime:0.000338s ]
  13. SELECT * FROM `fqi_school_course` WHERE `school_id` = 3987 AND `school_status` = 1 AND `course_status` = 1 ORDER BY `course_id` DESC LIMIT 8 [ RunTime:0.000187s ]
  14. SELECT * FROM `fqi_school_news` WHERE `school_id` = 3987 ORDER BY `click` DESC,`news_id` DESC LIMIT 5 [ RunTime:0.000160s ]
  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` = '18' AND `b`.`school_status` = '1' AND `news_status` = 1 AND `content_id` < 24287 ORDER BY `content_id` DESC LIMIT 20 [ RunTime:0.002333s ]
0.011616s