Ключевые слова: academic, adolescence, bonding, boy, casual clothing, caucasian, cheerful, child, class, classmate, classroom, computer, computer class, desktop pc, development, education, electronic, female, friend, friendship, girl, happy, information, interacting, keyboard, knowledge, learn, learning, leisure, lifestyle, male, mixedrace, modern, mouse, personal computer, school, schoolboy, schoolgirl, secondary, showing, sitting, smiling, standing, student, study, studying, talking, teenage, teenager, together, working, youth,