Ключевые слова: activities, adult, american, attainments, attendance, attentively, class, classmates, coach, coaching, coat, college, communicating, educating, educational, emotion, explication, females, focusing, group, hall, healthguard, indoor, instruction, interacting, lecturer, listening, medic, medicine, person, presentation, process, professor, science, seminar, session, speech, standing, student, studying, talking, teacher, tutor, university, white, woman, working, young,