教学过程是一个师生共同参与，互相作用的复杂的双边过程。只有当教师组织的教学活动能够引起学生相应的“共振”时，才能取得满意的教学效果。教师的主导作用是教学过程的关键。学生是主体，必须发挥学生的主观能动性，积极、主动、自觉地投入到学习中去，才能达到教学目的， Teaching process is a complicated bilateral process in which teachers and students participate together and interact with each other. Only when the teaching activities of teachers’ organizations can arouse the corresponding “resonance” of students, can they achieve satisfactory teaching results. The leading role of teachers is the key to the teaching process. Students are the main body, students must play a subjective initiative, active, active, consciously into learning to go in order to achieve the teaching purpose,