Ключевые слова: 18s, activity, adolescence, attention, audience, auditorium, classroom, communication, concentration, course, diligent, educating, education, emotions, european, exam, faculty, female, girls, group, guys, indoors, information, institute, intelligence, interaction, interest, interior, knowledge, lecture, lecturing, lesson, listening, male, noting, participants, people, portrait, positive, sitting, student, students, studying, summary, together, training, tutorial, university, youth,