Just explain your life experience, brief introduction and achievements, and the reasons and advantages of applying for this major. You should let examiners and teachers fully understand you through these 400 words. As for the form, you can write it yourself and ask the Chinese teacher for guidance. When you speak, you should be humble and confident. You should know how to control them by then.

Learning to broadcast host is not only to let you read the manuscript in Mandarin, but also to make these eloquent speeches. It is better to strengthen professional training at ordinary times. There is a lot of information about professional study on Yitong. You can also look at these, which will be very helpful.