The chalk teaching studio is playing the sound of a bucket. You can search for chalk textbooks in the voice of the bucket, and you can see the live broadcast time of chalk textbooks. Just watch it at the right time. Chalk teaching is a live broadcast of a simulated teacher qualification interview. Teacher qualification certificate is a license for teachers to engage in the education industry. Normal university graduates must pass the examinations of pedagogy and educational psychology offered by the school in the last semester.