Beijing skyscrapers and skyline

The video provides a brief introduction to the concept of TV, inviting viewers to explore further.

What is the initial focus of the video?

• A detailed explanation of TV

• An introduction to the video content

• A summary of the entire video

• A conclusion of the video

Which section comes first in the video?

• TV Topic

• Introduction

• Summary

• Conclusion

What is the main topic discussed in the video?

• Internet

• Radio

• Newspaper

• TV

Which section of the video focuses on the TV topic?

• Summary

• TV Topic

• Conclusion

• Introduction

What is the duration of the TV topic section?

• 4000 milliseconds

• 2000 milliseconds

• 3000 milliseconds

• 5000 milliseconds