Ключевые слова: 1112, 1213, 1415, 1516, 1718, american, boy, caucasian, class, classmate, classroom, computer, connection, coronavirus, covid19, desk, education, epidemic, european, female, french, german, girl, group, high school, indoor, informatics, internet, learning, lesson, library, mask, modern, pandemic, person, preparation, russian, school, student, studying, team, teamwork, technology, teenage, teenager, virus, young, youth,