交流,即双方或多方进行传递、表达信息的交际活动。社会高速的发展,交流与合作也越来越频繁。交流不仅存在于专业之内,各个专业间的合作也越来越多,交流与合作是21世纪公民必备的素质。新的教学观倡导教学就是教师的教和学生的学之间的高度统一,在教学过程中交流应成为师生共同创建、共同生成、共同认识、共同分享的基本形式。教的关键是如何在教 Exchange, that is, two or more parties to convey, express information communication activities. Rapid social development, exchanges and cooperation are also more frequent. Exchange not only exists in the profession, more and more cooperation among various professions, exchange and cooperation are the necessary qualities of citizens in the 21st century. The new teaching concept advocating teaching is a high degree of unity between teacher teaching and student learning. During the teaching process, communication should be the basic form of common creation, common development, common understanding and sharing among teachers and students. The key to teaching is how to teach