400-882-6911

风靡全球的项目式学习法到底是什么?

来源:美国达罗捷派学校中国校区 时间:06-03

风靡全球的项目式学习法到底是什么?

项目式学习法(Project-Based Learning)已经在北欧、北美等许多国家的学校被广泛采用。仅在去年,美国就有上千所学校开始使用PBL教学取代传统教学法。那么PBL的本质是什么?目前美国的创新型学校中是如何实践PBL的?学术界和教室应用场景中,对此教学和学习方法又有怎样的评价?

什么是PBL?

研究指出,项目式学习(Project-Based Learning)是一种以学生为中心设计执行项目的教学和学习方法,从而促进学生的学习效果。在一定的时间内,学生选择、计划、提出一个项目构思,通过展示等多种形式解决实际问题。项目式学习和传统式学习方法相比,能有效提高学生实际思考和解决问题的能力。项目式学习的目标,是通过与现实相结合的实践方式,使学生更有效率地掌握学科知识(subject core knowledge),并在此过程中培养学生的社会情感技能(social-emotional skills)。

在一个PBL当中,有几个非常关键的环节:提出问题(Propose),规划方案(Plan),解决问题(Execute)和评价和反思(Judge)。老师在每个环节,都要为学生起到引导的作用,根据项目的主题不同、学生的表现不同不断调整自己的教学计划和项目的进行计划。在和其他教学方法的对比中可以看到,教师在整个教学模型中,更像是学生学习的协助者,在较为松散的课程计划中为学生提供大方向的辅导,帮助学生顺利完成项目。


PBL的环节

同时,项目设计者在为学生制定一个项目计划的时候,也要考虑以下几点。

重点的知识和技能:项目式学习是以服务学生的学习为目标而存在的。因此学生在完成每一个项目的时候,需要自主学习并运用标准化的学科知识,培养自己的批判性思维,锻炼合作和自我管理的能力。

具有挑战性的问题:每一个项目都应该引导学生提出有意义、有挑战性的问题。

持续设问:应当为学生提供一个提问、寻找资源、应用信息、再进一步提问的学习环境。

真实性:项目应与现实相结合,引导学生对真实世界的思考和观察。

学生自主选择:学生要在项目的完成过程中有很大的自主选择权利,包括制定计划、修改计划等。

反思:老师和学生一起对所学的知识点、项目完成的有效程度进行评价和反思,找到可以改进和提高的地方

修改:学生通过反思中得到的反馈不断修改项目内容,或完成项目产出的迭代。

公开展示:学生以各种不同的形式向班级成员演示研究的成果。


PBL和其他教学法的区别

美国的创新型学校如何实践PBL?

AltSchool是硅谷热捧的一所小学。这所面向学前班到8年级孩子的学校吸引了Facebook创始人扎克伯格,乔布斯妻子,Paypal创始人等硅谷传奇投资人。AltSchool是一个真正意义上的,以儿童为中心,以项目为基础方式而实现个性化教学的教育机构。以美国AltSchool实际运用的PBL为例,我们可以看到一个完整的项目式学习闭环是怎样的,以及老师是如何在PBL中帮助学生完成学习目标的。


Altschool定义PBL的环节

PBL教学最根本的一点,是老师需要了解学生的兴趣和需求,然后从教学的整体目标出发,为学生匹配适合的项目,并根据项目的不同进行相应的指导。因此,在每一个PBL当中,都是以学生为中心,以老师为引导的学习闭环。这在AltSchool的课程案例中有非常明显的体现。

首先在帮助学生提出问题的环节,老师通过启发式设问帮助学生理解接下来所做项目的目的和内在逻辑。学生在老师的帮助下就可以理清整个项目中自己需要关注的重点在哪里。比如在下图的案例课上,老师在项目初始阶段,会根据项目的不同,提出不同类型的设问,从而引导学生明确该项目所要解决的实际问题是什么。如果是设计能源可持续的房屋模型,就引导学生思考每个人需要多大的空间;如果是要设计一款新的游戏,那就要引导学生思考目前市面上有哪些游戏、受欢迎的有哪些、以及它们为什么受欢迎。

接下来,在规划方案和解决问题的环节,学生可以和老师、项目相关主题的专家一同探讨,并通过各种形式呈现出项目研究的结果。比如在设计能源可持续房屋的项目上,学生解决问题的呈现形式是在3D设计软件上完成房屋设计的模型;而在设计游戏的项目上,学生最后要设计出一个游戏的故事大纲和基本界面。这些不同的主题就要求学生综合运用各个学科的知识,并通过与老师的交流,不断完善自己的计划。

而最后在反思与评价的环节,学生也会和老师、家长一同梳理自己设计项目思维的逻辑、项目在执行层面的问题和经验等等。这几个环节形成的学习闭环,可以帮助学生在项目进行的过程中加深对学习目标和内容的理解,也可以极大地调动学生学习的积极性。


项目大纲来自AltSchool官网,已翻译

项目大纲来自AltSchool官网,已翻译

备受关注的其他几所美国新型学校例如Summit Public Schools和Khan Lab School,也一直在课堂中实行PBL的教学模式,希望通过项目体验式学习培养学生深度学习的技能以及批判性思维的技巧。例如成立于2014年的Khan Lab School,通过测评按照学生的自学能力等级分层(Independece Level)安排项目式学习,让不同年龄和拥有不同自学能力等级的学生参与到项目的设计和实践中,以培养他们的创造力和个性发展。而由Facebook投资成立于2003年的Summit Public School,也通过个性化学习平台的管理工具 (Personalized Learning Platform),由老师对学生学业内容和项目的完成情况提出实时的反馈。这些PBL的实践方式虽各有侧重,但本质上都希望通过与现实问题相结合的项目形式,程度调动学生学习的积极性。

课程导航
校区导航
基本 文件 流程 错误 SQL 调试
  1. 请求信息 : 2026-04-07 00:14:25 HTTP/1.1 GET : http://www.edubq.com/s/10452/n/80259.html
  2. 运行时间 : 0.023440s [ 吞吐率:42.66req/s ] 内存消耗:353.91kb 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:0.000317s ] mysql:host=127.0.0.1;port=3306;dbname=baijiao_branch_collect;charset=utf8
  2. SHOW FULL COLUMNS FROM `fqi_school` [ RunTime:0.000903s ]
  3. SELECT * FROM `fqi_school` WHERE `school_id` = '10452' AND `site_id` = 5 AND `school_status` = 1 LIMIT 1 [ RunTime:0.000228s ]
  4. SHOW FULL COLUMNS FROM `fqi_school_class` [ RunTime:0.000580s ]
  5. SELECT * FROM `fqi_school_class` WHERE `school_id` = 10452 [ RunTime:0.000163s ]
  6. SHOW FULL COLUMNS FROM `fqi_school_campus` [ RunTime:0.000638s ]
  7. SELECT * FROM `fqi_school_campus` WHERE `school_id` = 10452 [ RunTime:0.000178s ]
  8. SHOW FULL COLUMNS FROM `fqi_school_news` [ RunTime:0.000631s ]
  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` = 10452 AND `a`.`content_id` = '80259' AND `news_status` = 1 AND `school_status` = 1 LIMIT 1 [ RunTime:0.000301s ]
  10. (select content_id,news_name,school_id from fqi_school_news where school_id = '10452' and content_id < '80259' and site_id <= '5' order by content_id desc limit 1) union all(select content_id,news_name,school_id from fqi_school_news where school_id = '10452' and content_id > '80259' and site_id <= '5' order by content_id asc limit 1) [ RunTime:0.000651s ]
  11. SHOW FULL COLUMNS FROM `fqi_school_course` [ RunTime:0.000705s ]
  12. SELECT * FROM `fqi_school_course` WHERE `school_id` = 10452 AND `site_id` = 5 AND `course_status` = 1 AND `school_status` = 1 ORDER BY `course_id` DESC LIMIT 4 [ RunTime:0.000412s ]
  13. SELECT * FROM `fqi_school_course` WHERE `school_id` = 10452 AND `school_status` = 1 AND `course_status` = 1 ORDER BY `course_id` DESC LIMIT 8 [ RunTime:0.000219s ]
  14. SELECT * FROM `fqi_school_news` WHERE `school_id` = 10452 ORDER BY `click` DESC,`news_id` DESC LIMIT 5 [ RunTime:0.000233s ]
  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` = '5' AND `b`.`school_status` = '1' AND `news_status` = 1 AND `content_id` < 80259 ORDER BY `content_id` DESC LIMIT 20 [ RunTime:0.013391s ]
0.023745s