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Have you ever seen pop-ups (弹出窗口) when you go online?

These days it’s common for you to get a pop-up which lets you ___(1)__ ( put ) the App in “teen mode (模式) ” every time you begin to use Apps like QQ or Tiktok. A lot of Apps, especially video Apps, have added this feature (功能) to protect teenagers. It’s said that it will bring teenagers __(2)__ ( good ) experiences than before and make sure they’re using the Apps in a healthier way. For example, Apps like Tiktok have the feature to prevent teenagers from watching videos for long and with the feature, they might only be allowed __(3)__ (watch) for 40 minutes. The videos that teenagers can watch are made sure to be safe and even educational. There are no advertisements and teenagers cannot pay any m__(4)__ for the videos. In QQ’s teen mode, teenagers can only talk to people on their contact lists. __(5)__ ( they ) chat records show pinyin, which is useful for primary school students.

However, the teen mode does not work for all Apps, a__(6)__ to a recent report by the National Consumer Council. There aren’t any __(7)__ ( different ) between the teen mode and the normal mode in some Apps. And in some video Apps, the teen mode won’t start __(8)__ users watch videos for 40 minutes. But users can get past it b___(9)___ clicking (点击) “I know” and continue watching.

Though you can learn a lot from short videos, it’s n__(10)__ to control the time.