dear jean, OK. It's very happy to know your problem was solved. And I hope you can try to leave Chinese message, because we will correct any tiny mistake in your sentence. That's the way we help you. And we believe your Chinese will becoming better soon.

Thanks, I know but I think It is Adobe reader 7 which don't work with yours PDF. What's a pity, because I can't download with my PC LINUX.With Adobe reader 9 It's good.I can readyours PDF. 谢谢。

hi，Jean:

Thank you for your using of CSLPod. About the PDF downloading, we change our download policy from 2010. It will cost you 10 POINTS for each PDF in recent lessons. So you need enough POINTS to do the downloading. How can you have POINTS? If you reply a comment in any lesson, you will get 3 POINTS. So it's easy for you to have enough POINTS.
More detail please see here:
http://www.cslpod.com/English/User/MyHome.aspx