With the development of the Internet, knowledge resources on the Internet are becoming more and more abundant, and online learning is becoming more and more common. When more and more people tend to study online instead of going to school, the following situations may happen. First of all, the optional learning resources of online learning are diverse and efficient. In the future, people's cultural literacy will become higher and higher, and a person often has knowledge in many fields. Secondly, online learning doesn't have to go out or run between classrooms. In view of this, most people may stay in their rooms all day, and they won't go out unless necessary. Daily activities are reduced, and most people, except those who like fitness, will lose their physical fitness. In addition, if online learning takes the place of going to school, most people will lack the experience of face-to-face communication, which will easily lead to the increase of people with social fear. Finally, online learning requires the use of electronic devices, which will release radiation. Long-term use of online learning will lead to decreased vision. In the long run, more and more people will need to wear eyes. That's my guess.
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