Short videos are now popular with people. They have millions of views（浏览）online. Many people share short videos on popular video apps like Tik Tok（抖音）and kuaishou/ You can even add music and special effects（特效）to your videos. They show people doing activities like cooking, exercising, and singing.
More than 50 percent of junior high school students said they enjoyed watching these short videos. "About 47 percent have posted their own video." the China National Youth Palace Association reported.
The videos let teenagers see funny and exciting things they wouldn't usually see. For example, a 12-year-old user named Xiaoqiangyu posts videos showing her learning jazz dance. This wins her many fans.
However, the videos can also cause much trouble. Some videos have vulgar content（低俗内容）and it is not good for teenagers. Many teenagers imitate（模仿）what they see in short videos.
Some students spend much time watching them. They don't have enough time to study.
To deal with this problem, Tik Tok added a new function（功能）. The government also monitors（监管）these apps much more strictly.
| A. Some of them even get hurt. B. Teenagers enjoy these videos a lot. C. The videos are 15 seconds to a few minutes long. D. It's the perfect thing to do when they want to kill time. E. Many teens like to share the fun things they do with others. F. It locks the app if someone uses the app for over two hours a day. |
