Hi students!
Here I post you a link about the video we saw in class.
If you want you can watch it again to improve your listening.

http://www.youtube.com/watch?v=qdAwjuFVvMo&list=PLDD68A9B132645B09&index=1

Please don't watch any other chapters, so they won't be a surprise in class.
See you in class!

NSC