URL	Title	Id
http://digfir-published.macmillanusa.com/calc_tutorial/calc_tutorial_5_7_044.html	Chapter 1. calc_tutorial_5_7_044	508eaa15b11c0f5f37000000
http://digfir-published.macmillanusa.com/calc_tutorial/calc_tutorial_5_7_044_dlap.xml	DLAP questions	508eaa15b11c0f5f37000000