URL	Title	Id
http://digfir-published.macmillanusa.com/calc_tutorial/calc_tutorial_5.4.33.html	Chapter . 5.4.33	50894535b11c0fb421000000
http://digfir-published.macmillanusa.com/calc_tutorial/calc_tutorial_5.4.33_dlap.xml	DLAP questions	50894535b11c0fb421000000