URL	Title	Id
http://digfir-published.macmillanusa.com/astro_interactive_exercise/ie_part2_faces_of_the_sun.html	Chapter 1. Faces of the Sun	51400204b11c0f060b000000
http://digfir-published.macmillanusa.com/astro_interactive_exercise/ie_part2_faces_of_the_sun_dlap.xml	DLAP questions	51400204b11c0f060b000000