多平台搭配，打造优质在线课

doi:10.3866/PKU.DXHX202002072

Abstract

Abstract:

This paper describes the whole process of online teaching of Unit Operations of Chemical Engineering by QQ split screen and supernovae learning. The pre-class preparation, online teaching mode and using skills are presented in detail. Moreover, the processing schemes are presented to deal with the key problems and students' questions. It can help teachers with zero online teaching experiences implement online teaching, which certainly provides alternative methods for teachers.

Key words: Novel coronavirus, Online teaching, Supernovae learning, QQ split screen

Linyan Wang, Guohe Xu, Junying Chen, Junjie Li, Jingjun Ma. Multi-Platform Collocation to Create Quality Online Courses[J].University Chemistry, 2020, 35(5): 44-47.

时间安排	任务	要求	备注
7:50–8:00	学习通签到	完成签到后的学生请随时关注学习通里的通知和消息	利用学习通完成
8:00–8:10	观看第一个视频 1.4.1精馏过程原理	认真观看视频，记录重要名词的意义、各种概念之间的关系，掌握气相、液相组成的变化
8:10–8:15	完成测验1.4.1	仔细审题，注意题干的叙述
8:15–8:20	主题讨论发言精馏操作时气相、液相中轻组分含量如何变化？	举例分析精馏操作时气相、液相中轻组分含量的变化
8:20–8:35	观看第二个视频 1.4.2精馏塔模型	认真观看视频，记录重要名词的意义，掌握精馏塔的结构，明确气相、液相组成的变化
8:35–8:45	完成测验1.4.2	仔细审题，注意题干的叙述
8:45–8:55	课间休息重新发布测验1.4.1和1.4.2	未完成两个测验的同学可在课间休息补交测验，完成的同学休息10 min	利用QQ分享屏幕完成
8:52–8:55	进入QQ分享屏幕	进入的同学请自动关闭自己的麦克风，我会在屏幕上显示待进入学生名单，各班班长和学委根据名单通知学生进入，我们8:55正式上课
8:55–9:25	观看QQ分享屏幕	通过屏幕分享串讲前面的视频的内容，讲解两次测验错误率较高的题目，补充部分典型例题，期间可能会随机选择若干同学进行连麦回答问题，请同学们做好准备
9:25–9:30	完成测验1.4.3的练习题	同学们在手机端用学习通完成	QQ分屏不结束，学生用学习通完成
9:30–9:40	观看QQ分享屏幕	同学们在手机端用学习通完成	利用QQ分享屏幕完成

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Multi-Platform Collocation to Create Quality Online Courses

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