课堂上教师综合技能的优化组合可使教学更科学化、合理化。因此选择合适的教学技能组合，创设宽松、愉快的教学环境，有利于开发学生的心理潜能，使学生以浓厚的学习兴趣投入到学习之中，教学质量也会相应得到提高。如《相遇问题》教学的教学目标是理解、掌握求路程的相遇应用 The optimal combination of teachers’ comprehensive skills in class can make teaching more scientific and rational. Therefore, choosing the appropriate combination of teaching skills and creating a relaxed and enjoyable teaching environment is conducive to developing the students’ psychological potential, enabling students to devote themselves to learning with strong interest in learning, and teaching quality will be improved accordingly. Such as “encounter” teaching goal of teaching is to understand and grasp the application of the journey to meet