classes:  lecturer. still not applied much outside knowledge, most of the use of the knowledge in the textbook is the main should make the lesson becomes more boring.  curriculum. still not applied much outside knowledge, most of the use of the knowledge in the textbook is the main should make the lesson becomes more boring.  facility. still not applied much outside knowledge, most of the use of the knowledge in the textbook is the main should make the lesson becomes more boring.  general. still not applied much outside knowledge, most of the use of the knowledge in the textbook is the main should make the lesson becomes more boring.