Based on reality of normal colleges, how to enrich the learning time of middle-grade normal students and sustained and effectively and continuously cultivate normal students’ basic skills is the problem for normal universities to delve into. Through the introduction of the concept of cooperative learning and efficient use of classroom teaching, we need to clarify that students are responsible persons, learners, demonstrator and assessors and teachers are designers, mentors and cooperators. We also need to construct the "O-T-S-T" teaching mod...