Digital technologies have remarkably changed teenagers' life and work both positively and negatively. According to UNICEF, 71% of 15-24-year-olds are online and (37) ______.
(38) ______. They have various devices like computers, tablets, smartphones, and applications to improve the ways they learn, broaden their relationships, and spend their leisure time. They have more opportunities to learn, get access to information, and use different communication channels inexpensively.
(39) ______. First, there is a concern about children's physical and mental health. Statistics show that teens spend less time doing physical activities, and (40) ______, bone and eye problems. Moreover, teens are also at risk of visiting websites which promote self-harm or suicide. In fact, cyber-bullying on the Internet has become more serious than bullying at school.
Schools and parents should guide children so that they can use devices wisely and not become victims of those devices and technologies.
A. Teenagers benefit from the advances in technology
B. many more teens suffer from obesity
C. However, they also face many risks
D. one third of Internet users are under 18 years old
Question 37. __________