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Chasing 100M Daily Users, Duolingo Reconsiders Ads, Paying Influencers, and Its Most Expensive Plan

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二手车评估与交易


系统学习二手车识伪、静态与动态检查、成新率判定和价格评估，完成从鉴定到交易的实务训练。
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铁路运输服务礼仪


聚焦铁路车站、列车与货运场景，系统训练仪表、仪态、沟通及投诉处理等服务礼仪。
- XuetangX
- Self-Paced
- Free Online Course
平面构成


以点、线、面、骨骼和形式美法则构建二维视觉思维，并通过数字化项目应用于室内空间设计。
- XuetangX
- Self-Paced
- Free Online Course
美术基础——素描


黑白之间的无穷变化反映大千世界，用手中的画笔做指挥棒，奏出优美的乐章，线条与明暗可以融合成轻快的溪流也可以碰撞出汹涌的波涛。
- XuetangX
- Self-Paced
- Free Online Course
智能产品控制与应用


通过六个智能电子产品项目，学习以单片机完成电路设计、仿真、安装调试与实际应用。
- XuetangX
- Self-Paced
- Free Online Course
病原生物与免疫学


系统学习医学免疫基础与病毒、细菌、真菌和寄生虫等病原生物的特性、致病性及防治。
- XuetangX
- Self-Paced
- Free Online Course
百年党史


以四大主题梳理中国共产党成立以来的重大历史事件，并联系历史唯物主义与中国化马克思主义理论。
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计算机应用基础


面向高职学生的计算机基础课程，涵盖操作系统、网络及 Word、Excel、PowerPoint 等办公软件的实际应用。
- XuetangX
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- Free Online Course
建筑装饰photoshop

以项目驱动学习 Photoshop，从企业标志与名片设计到建筑室内外效果图后期和舞台美术项目，培养实用设计技能。
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建筑施工技术


以典型施工项目为主线，系统学习土方、基础、结构、装饰和防水等建筑工程施工技术。
- XuetangX
- Self-Paced
- Free Online Course
机械制图


以识图和简单绘图为核心，从平面图形、三视图逐步学习零件图与装配图。
- XuetangX
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机械设计基础


通过筛料机构、凸轮和减速器等项目，循序学习常见机构及机械零件的设计与校核。
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电机与电气控制技术


以污水处理等典型场景为项目，训练三相异步电动机控制线路的设计、安装、调试与故障检修。
- XuetangX
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- Free Online Course
幼儿行为观察与指导


通过行为观察与矫治方法，学习应对幼儿攻击、情绪依赖、破坏、社交及不良习惯等行为问题。
- XuetangX
- Self-Paced
- Free Online Course
汽车电器构造与检修


系统学习汽车电气系统的构造、原理、电路图识读及故障诊断与检修。
- XuetangX
- Self-Paced
- Free Online Course

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