精选优质文档-倾情为你奉上 I. Short answer questions: (30 points) a. Background l Industrial revolution + rapid urbanization Sample programs and practices l Sunday school l Temperance and teetotalism l YMCA (1844 in London, 1851 in New York) b. Serious leisure is the systematic pursuit of an amateur, hobbyist, or volunteer activity that participants find so substantial and interesting that, in the typical case, they launch themselves on a career centered on acquiring and expressing