April 22, 2021，The Department of Food Engineering at the School of Food Organization organized all teachers to participate in Associate Professor Li Yixuan's Teaching Demonstration Observatory Class，Lu Yujie, Dean of the School of Food、Liang Zhongchen, Secretary of the Party Branch of the College、Deputy Dean Zhang Guochang and other leaders listen w88 sports betting appto the whole process，and after the meeting, we will jointly exchang and discuss with you "how to speak a lesson"。The development of this teaching and observation activity can give full play to the demonstration radiation role of excellent teacher classroom teaching，Promoting teaching experience between teachers、Teaching methods and other learning communication，Improve the teaching ability of young teachers、The reform of teaching methods and the improvement of the quality of classroom w88 sports betting appteaching have played a strong role in promoting。