• 吸引不同兴趣的孩子来学习编程
  • 提升孩子的未来竞争力
  • 能够创作复杂性不断增加的项目

400-888-4846

少儿编程启蒙前 家长必知的四大关键认知

来源:深圳乐博乐博机器人教育 时间:09-17

少儿编程启蒙前 家长必知的四大关键认知

少儿编程启蒙前 家长必知的四大关键认知

孩子学编程,真的是从写代码开始吗?

当家长次接触"少儿编程"这个概念时,很容易联想到程序员工作台上密密麻麻的代码界面。这种认知偏差源于对儿童编程教育体系的不了解。实际上,针对零基础儿童的编程启蒙,采用的是"具象化-半具象化-抽象化"的渐进式教学逻辑。

以市场主流的少儿编程课程为例,6-8岁儿童的阶段学习通常围绕"机器人编程"展开。这里的编程不是敲击代码,而是通过图形化编程工具(如Scratch)或实体编程积木(如乐高WeDo),让孩子在组装机器人、搭建机械结构的过程中,理解基础的编程逻辑。课程内容会融合简单机械原理(如齿轮传动、杠杆平衡)、基础电路知识(如开关控制、电流路径)和初级编程指令(如顺序执行、条件判断)。

某头部编程教育机构的教研负责人曾分享:"我们观察到7岁左右的孩子,通过3个月的机器人编程学习,就能独立完成'感应式垃圾分类机器人'的搭建与程序调试。这种具象化的学习方式,既降低了入门难度,又能让孩子在动手实践中建立对编程的直观认知。"这说明,少儿编程的初期阶段更像"玩中学"的综合实践课,而非传统意义上的代码编写。

编程学习存在性别差异吗?女孩是否更有优势?

"编程是男孩的专长"是长期存在的认知误区。根据2023年中国少儿编程教育行业白皮书数据显示,6-12岁学员中,女生占比已达42%,且在小学中高段(9-12岁)的学习效果评估中,女生在逻辑严谨性、任务完成度等维度的平均得分略高于男生。

教育心理学研究表明,女孩在早期教育阶段(6-12岁)往往表现出更强的细节观察力和耐心,这正是编程学习需要的重要特质。例如在完成"设计自动浇花系统"的项目时,女生更擅长梳理传感器触发条件、优化浇水间隔的逻辑设计。某教育机构的教学案例显示,8岁女孩小怡用3周时间完成的"声控灯光装置",其程序逻辑的完整性和功能实现度,甚至超过了同期学习的男生作品。

国际计划(Plan International)发起的"女孩-科技行"项目持续10年的追踪数据也印证:当提供适合的引导和学习场景(如结合艺术、生物等女孩感兴趣的主题设计编程任务),女孩在科技领域的学习潜力丝毫不亚于男孩。关键在于教育者能否打破性别刻板印象,提供个性化的学习引导。

家长不懂编程,如何支持孩子学习?

"我自己都不会编程,怎么辅导孩子?"这是家长最常提出的困惑。实际上,少儿编程教育的核心目标并非培养"小程序员",而是通过编程载体培养孩子的计算思维(Computational Thinking)。这种思维能力包括分解问题、模式识别、抽象概括和算法设计,这些都是可迁移的底层能力,与家长是否具备编程知识无直接关联。

教育专家建议,家长可以从三个维度提供支持:首先是"兴趣陪伴",参与孩子的编程项目展示,鼓励其讲解作品的设计思路;其次是"问题引导",通过提问(如"为什么选择这个传感器?""如果改变程序顺序会怎样?")帮助孩子深化思考;最后是"资源拓展",带孩子观察生活中的智能设备(如自动门、智能手表),引导其思考背后的程序逻辑。

一位妈妈的实践经验很有参考价值:她的孩子在学习"温度感应风扇"项目时,她虽然不懂代码,但会和孩子一起测量不同温度下风扇的转速,记录数据并绘制图表。这种生活化的参与方式,既帮助孩子验证了程序逻辑,又强化了跨学科应用的意识。可见,家长的角色更多是"学习伙伴"而非"技术导师"。

少儿编程需要学多久?学习目标如何规划?

关于学习周期,业内普遍认为不存在"统一标准",但可以根据儿童认知发展规律划分阶段:6-8岁为启蒙阶段(1-2年),重点培养兴趣和基础逻辑;9-12岁为提升阶段(2-3年),逐步过渡到代码编程(如Python)并完成复杂项目;13岁以上为进阶阶段(可长期持续),结合竞赛或专业方向深入学习。

某重点小学信息科技教师指出:"我们观察到,坚持系统学习2年以上的孩子,在数学应用题分析、科学实验设计等学科中表现出明显优势。他们更擅长将复杂问题拆解为可操作的步骤,这正是编程思维的迁移体现。"需要强调的是,学习目标不应局限于"掌握某门语言",而应关注思维能力的持续提升。

在具体规划上,建议家长每学期与任课教师沟通,根据孩子的学习进度调整目标。例如,对逻辑思维发展较快的孩子,可以提前引入简单算法;对动手能力突出的孩子,可增加机器人竞赛类项目。这种个性化的学习路径,才能真正实现"编程思维"的有效培养。

结语

少儿编程不是"提前培养程序员"的功利教育,而是通过编程载体,为孩子构建面向未来的核心思维能力。家长在启蒙阶段需要做的,是建立科学认知、打破固有偏见、提供成长支持。当我们用更开放的心态看待编程教育时,会发现它为孩子打开的,不仅是科技世界的大门,更是一个培养逻辑、创新与解决问题能力的多维成长空间。

基本 文件 流程 错误 SQL 调试
  1. 请求信息 : 2026-04-18 03:53:21 HTTP/1.1 GET : http://www.aabrg.com/s/3920/n/23885.html
  2. 运行时间 : 0.012055s [ 吞吐率:82.95req/s ] 内存消耗:402.82kb 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:0.000369s ] mysql:host=127.0.0.1;port=3306;dbname=baijiao_branch_collect;charset=utf8
  2. SHOW FULL COLUMNS FROM `fqi_school` [ RunTime:0.001046s ]
  3. SELECT * FROM `fqi_school` WHERE `school_id` = '3920' AND `site_id` = 22 AND `school_status` = 1 LIMIT 1 [ RunTime:0.000253s ]
  4. SHOW FULL COLUMNS FROM `fqi_school_class` [ RunTime:0.000574s ]
  5. SELECT * FROM `fqi_school_class` WHERE `school_id` = 3920 [ RunTime:0.000217s ]
  6. SHOW FULL COLUMNS FROM `fqi_school_campus` [ RunTime:0.000627s ]
  7. SELECT * FROM `fqi_school_campus` WHERE `school_id` = 3920 [ RunTime:0.000238s ]
  8. SHOW FULL COLUMNS FROM `fqi_school_news` [ RunTime:0.000668s ]
  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` = 3920 AND `a`.`content_id` = '23885' AND `news_status` = 1 AND `school_status` = 1 LIMIT 1 [ RunTime:0.000292s ]
  10. (select content_id,news_name,school_id from fqi_school_news where school_id = '3920' and content_id < '23885' and site_id <= '22' order by content_id desc limit 1) union all(select content_id,news_name,school_id from fqi_school_news where school_id = '3920' and content_id > '23885' and site_id <= '22' order by content_id asc limit 1) [ RunTime:0.000583s ]
  11. SHOW FULL COLUMNS FROM `fqi_school_course` [ RunTime:0.000706s ]
  12. SELECT * FROM `fqi_school_course` WHERE `school_id` = 3920 AND `site_id` = 22 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` = 3920 AND `school_status` = 1 AND `course_status` = 1 ORDER BY `course_id` DESC LIMIT 8 [ RunTime:0.000190s ]
  14. SELECT * FROM `fqi_school_news` WHERE `school_id` = 3920 ORDER BY `click` DESC,`news_id` DESC LIMIT 5 [ RunTime:0.000182s ]
  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` = '22' AND `b`.`school_status` = '1' AND `news_status` = 1 AND `content_id` < 23885 ORDER BY `content_id` DESC LIMIT 20 [ RunTime:0.002427s ]
0.012345s