- http://www.youtube.com/watch?v=PcOGmI9gz3A
http://www.youtube.com/watch?v=cEL7yc8R42k&NR=1
http://www.youtube.com/watch?v=kiHyTW2xpmk&NR=1 - http://www.youtube.com/watch?v=-yLZYETYlmM
- http://www.youtube.com/watch?v=tqKmDYzzyCI&feature=channel
After you watch this film, please make writing and diagram this topic ( lesson ) in the classroom ( after new year )
thx
