According to the questions in Baidu question bank, members must accept (), enhance their national defense awareness and actively fulfill their obligations to defend the motherland. A. patriotism education; B. national defense education; C. forms of national defense education. Answer: B. National defense education.

National defense education is a social activity to defend national sovereignty, territorial integrity and security, resist the construction and struggle of foreign aggression and subversive threats, and impart ideas, knowledge and skills related to national defense to the whole people. The important content of national defense construction includes all kinds of social activities to enhance the national defense thought, knowledge, skills and physical quality of the whole people and help form and improve the national defense concept and ability.