对知识的掌握与理解是搞好教学的基本保证条件，但教师掌握了知识还不能表明具备了教学能力。教学能力体现在能将知识有效地传授给学员，传授的效果在很大程度上取决于授课技巧。从掌握授课技能到演化为技巧是个熟练化的过程，只有不断地练习才能掌握技巧。但练习需要按规律演 Grasping and understanding of knowledge is the basic guarantee conditions for teaching, but masters of knowledge can not show that they have the teaching ability. Teaching ability is reflected in the effective transfer of knowledge to the students, the effect of teaching depends largely on teaching skills. From mastering teaching skills to evolving into skills is a skillful process that can only be learned through constant practice. But practice needs to be performed regularly