Our cities are busy and crowded. Sometimes they are not smart enough. As a teenager living in Dongguan, Guangdong, 13-year-old Wu Yuhang _______ this is a problem.

“Crossing the streets can be _______. Drivers can’t see traffic lights (交通灯) _______ their cars are behind a bus. Some careless people can’t _______ their eyes off their phones. I once saw a big board fall _______ in a big wind and cut a tree in half. That was terrible,” said Wu. “I’m trying to find ‘smart’ ways to solve these _______.”

To stop drivers from playing with their phones, Wu created a signal-blocking device (信号屏蔽装置) and put it at the crossing. He also _______ an assistant system (辅助系统) for traffic lights. Now it is much _______ for drivers to see traffic lights.

Wu has a big plan for his future—to be _______ engineer. “China still has a long way to go in computer science. And I will try ________ best to make our cities smarter.”

Last year, I got to know about an activity about writing letters to your future self. I found it interesting, so I wrote two _______ to my future self. The first letter was to me this year. The second was to my future self 5 years later. In the letters, I _______ some wishes and resolutions.

Yesterday, I read my first letter. It was interesting seeing what I was like in the past and how _______ I am now. One of the biggest differences is that I enjoy middle school life now. When I wrote the letters, I just _______ middle school. I had new teachers and classmates, and the classes were very hard. I didn’t get used to (适应) everything that _______. I had a hard time back then. Luckily, everything is going well now.

I also made _______ to spend less time playing online games and learn how to paint in the letter. I quite liked online games. But playing online games was _______ for my eyes and affected (影响) my studies. After writing the letter, I had stricter control (控制) over my online time and _______ painting as a hobby. Now, I don’t like online _______ that much and I can paint something.

Reading the letter helped me to ________ my old days and encouraged (鼓励) me to do better in the future. I do expect to read the second letter in 4 years.

Do you know about Traditional Chinese Medicine (TCM) (中医) ? Many people turn to TCM when they are not feeling well. If you want to know about it, you can watch Gen Z (《后浪》) .

Gen Z is a popular TV play on Youku. In the play, Ren Xinzheng, a teacher, knows a lot about TCM. He starts a project (项目) to teach young talents about TCM. Sun Toutou, a girl, gets into Ren’s class and learns how to help people feel better through TCM. She meets many difficulties, but with her hard work, she becomes an excellent doctor and helps people through TCM.

In most people’s eyes, TCM is a little boring and serious, and it’s difficult to learn about TCM, but Gen Z makes it ________ through stories and examples. For example, it talks about the 24 Solar Terms (节气) , the important times in Chinese culture and what people should do on these important days to stay healthy. When we watch the TV play, we can follow the timeline (时间线) of the 24 Solar Terms to learn new things and have fun at the same time!

Millions of people in China like watching Gen Z. People in other countries like Thailand and Malaysia also like watching it and learning from it. They are interested in TCM and watching the TV play is a great way for them to learn about TCM and Chinese culture.

Gen Z is really a wonderful show for you to learn about Traditional Chinese Medicine in a fun way! Go and watch this great show, and you’ll find out the world of TCM for yourself !