After hearing about it on the first day, it was a professional interview. Professional interviews are conducted by lottery. The question I chose is more professional, and I am not very clear about it myself. But I was still relatively calm at that time, so I recalled the relevant knowledge points about this question and carefully sorted out the answer ideas. I remember a teacher holding my undergraduate report card and saying, "You'd better take a mechanical test in our school. Do you think your undergraduate mechanical exam is still a make-up exam? " I replied: "That was my undergraduate grade, which can only prove my study at that time. And this test score is my current level. "