classes:  lecturer. he enthusiastically teaches and tries to make examples for students to see even though the school's wifi is very scrappy.  curriculum. he enthusiastically teaches and tries to make examples for students to see even though the school's wifi is very scrappy.  facility. he enthusiastically teaches and tries to make examples for students to see even though the school's wifi is very scrappy.  general. he enthusiastically teaches and tries to make examples for students to see even though the school's wifi is very scrappy.