Effective teacher feedback and evaluation are the driving force for students to improve their language skills, and they will be full of confidence in themselves with appropriate encouragement from teachers. CCosplay   In this part, the theory of performance management is very abstract. It is boring for teachers to use traditional teaching methods, and it is difficult for students to understand.To experience how the character feels in this kind of scene.  Spider Man Costume   In the performance, the teacher should pay attention to the control of the performance process, and remind the content that should be specially observed.