外语教学的最终目的是培养学生运用语言进行社会交际的能力。这种能力只有在交际活动中才能逐步培养起来，必须由学生自己通过实践去获得，而不靠教师直接传授给学生。“外语是学会的，不是教会的”这句话反映了学生在教学中的地位和角色。教师做为外力，其基本任务是“导”， The ultimate goal of foreign language teaching is to develop the ability of students to use the language of social communication. This ability can only be gradually cultivated in communicative activities, which must be obtained by the students themselves through practice rather than being directly imparted to the students by teachers. “Foreign language is learned, not the church,” this sentence reflects the status and role of students in teaching. Teachers as external forces, its basic task is “guide”