CLEAN : Pyongyang residents visit epidemic prevention and public health exhibition

The video briefly discusses the act of watching, focusing on the concept of observation.

What was the main focus of the video tutorial?

• A book review

• A cooking recipe

• A historical event

• A scientific experiment

Which section of the video provided the most detailed explanation?

• Conclusion

• Main Content

• None of the above

• Introduction

What was the concluding remark in the video?

• A new concept introduction

• A question for the audience

• An unrelated topic

• A summary of key points

How did the video start?

• With a quote

• With a joke

• With a statement

• With a question

What was the duration of the video?

• 2-3 minutes

• More than 3 minutes

• 1-2 minutes

• Less than a minute