Through the teaching and experiment of application of the mode of cooperative teaching and 3D assessment in Sanda teaching,it is proved that this mode of teaching can help students get the feedback information in time of learning techniques.

The paper demonstrates the principles and approaches of conditional assault-defense in Sanda teaching for improvement of basic action and technology of Sanda;and put forward the forms of organization and principles of teachings in conditional assault-defense.

The high school prose teaching has the reality vital significance, the present paper attempts through to the ordinary high school student prose study baseline investigation and study, in data comparative external analysis foundation, analysis ordinary high-school pupil prose study present situation and existence question.

Although the prose accounts for a high proportion in the middle school Chinese teaching material, but the prose teaching frequently confuses with the literary style of novel, poetry teaching and so on; or it is divided into knowledge points to analyze, unable to manifest it s own teaching characteristic.

With the help of multimedia,the prose teaching can be carried out by creating artistic conception,imitating images,motivating visualization and summarizing knowledge.