MIT opencourseware is convenient. It has many useful information.
I like it because it has not only video but also some practice assignments.
Academic Earth has many video from many school. It is good.
But it has not practice assignment. It is bad.
OpenCourseWare Consortium is hard to use. I think.
TED is good. It has many interesting things.
Top 100 speeches has many mp3 to download.It is very good.
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A minor grammar problem.
ReplyDeleteYou wrote: But it has not practice assignment. It is bad.
Revised: It did not provde information on assignments and tests. It's a great pity.