链接：

大学排名：www.usnews.com

讲座（来自马克）：
http://webcast.berkeley.edu/courses/

http://www.princeton.edu/WebMedia/lectures/

http://ocw.mit.edu/OcwWeb/Global/OCWHelp/avocw.htm

http://www.ted.com/tedtalks/

http://www.gsb.stanford.edu/news/av_lectures.html

http://forum.wgbh.org/wgbh/

七个建议：
1) Keep an open mind.
2) Learn as much English as you can before you go.
3) Travel of the beaten path.
4) Make American friends.
5) Be willing and prepared to share your culture.
6) Keep a journal.
7) Keep in touch with home.