1 . 听下面一段独白，回答以下小题。
1. What kind of videos are the most popular?

A．Videos about animals.

B．Videos about cooking.

C．Videos about music.

2. How can beginners improve their videos?

A．By copying famous stars.

B．By consulting their friends.

C．By uploading at least 10 videos.

3. How often should you update your videos?

A．Twice a week.

B．Every day.

C．Every other month.

4. What's the purpose of the speaker?

A．To instruct.

B．To advertise.

C．To entertain.