classes:  lecturer. The last two weeks of the lecturer leave unannounced, not yet disseminated exam review content for the class.  curriculum. The last two weeks of the lecturer leave unannounced, not yet disseminated exam review content for the class.  facility. The last two weeks of the lecturer leave unannounced, not yet disseminated exam review content for the class.  general. The last two weeks of the lecturer leave unannounced, not yet disseminated exam review content for the class.