Online EducationGood morning, everybody.In today's lecture, we will talk about online education.You know, in some parts of the world, it is not that easy for people to receive education.And even in the United States where education is available, it might not be within reach.Thus, online courses provided by those world-famous universitiescan bring the best quality education to as many people as we could around the world, and for free.First, let's talk a little bit about some of the components that go into online education.The first component is that when you move away from the constraints of a physical classroomand design content for an online format, you can break away from, for example, the one-hour lecture format.You can break up the material, for example, into short, modular units of 8 to 12 minutes,and each of the short units introduces a coherent concept.Students can deal with this material in different ways, depending on their backgrounds, their skills or their interests.So, for example, some students might benefit from a little bit of preparatory material that other students might already have.Other students might be interested in a particular topic that they want to pursue individually.
在线教育大家早上好。今天的讲座，我们要谈一谈在线教育。大家都知道，在有些地方，受教育仍然不是件容易的事。即使在美国这样的教育大国，受教育可能也有困难。因此，世界知名大学提供的在线课程,就可以为世界上许许多多的人带来优质教育，而且是免费的。首先，我们谈一下在线教育的几个特点。第一个特点就是在线教育打破了实体课堂的限制。设计在线课程内容的时候，教师可以抛开很多限制，比如一小时的课程时长。举个例子，你可以将授课材料分成8到12分钟的小单元，每个单元介绍一个完整的概念。学生可以根据自身背景、技能和兴趣，以不同的方式学习材料。比如，有些学生可能会从准备材料中学到东西，而这些材料其他同学早就有了。其他同学可能会对他们自己喜欢探究的具体话题感兴趣。
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