There are more and more YouTubers putting videos online. No matter what their videos are about, there is onething in common: they all want to make it big. To most people’s surprise, the biggest money maker in 2018 was a7-year-old boy, Ryan. He made 22 million dollars. He started his channel in 2015. What he does in his video is verysimple. He opened a new toy and explained how he played with the toy when he was playing with it. He played withall kinds of toys in his videos. He said that people liked him because he could always make others laugh. Most of themoney he made as a YouTuber comes from pre-roll ads. Pre-rolls are the short videos you see before the videos youwant to watch. The ads may tell people something new to spend money on. The more popular your channel is, the moremoney you'll get from pre-roll ads. Ryan’s channel has 23.3 million followers. The number is still growing. Thefollowing are three comments: 

Mark: It’s crazy that his parents allow him to be a YouTuber. The price of being famous will shock them.

Helen: Well, it’s hard to say no to that much money though it’s not an ideal job. 

Linda: Children get to practice expressing themselves. What’s the problem with that? 

channel 頻道 explain 解釋 comment 評論 ideal 理想的 express 表達

【題組】31. What are pre-roll ads probably for?
(A) To teach people something new about videos.
(B) To make people want to buy something.
(C) To get more followers for the channel.
(D) To show a list of interesting videos to choose. 34.