Ключевые слова: academic, assignment, attention, attentive, auditorium, class, classmate, classroom, cognition, college, communicate, concentrate, course, data, daytime, demonstrate, diligent, education, explain, focus, group, horizontal, indoors, intelligent, knowledge, learn, lecture, lecturer, lesson, mentor, point, presentation, question, share, speak, student, study, sunlight, sunlit, talk, task, teach, teacher, tutor, university, whiteboard, window,