外语学习和教学的方法多种多样。有些方法比另外一些方法更有效。很难将这些学习和教学的方法用简单的术语归类,至少就它们阐明的课堂教学方法而言是如此。但是,在称得上“教授外语”这个范畴内,有两类教学方法必须区别开来:一类是用外语授课的方法教授外语;另一类则是用讲解外语的方法教授外语。可以假设,外语教学的目的和任务包括传授给学生他们以前没有掌握或者没有完全掌握 There are many ways of learning and teaching foreign languages. Some methods are more effective than others. It is difficult to categorize these learning and teaching methods in simple terms, at least for the classroom instruction they illustrate. However, in the category of “teaching a foreign language”, two teaching methods must be distinguished: one is to teach foreign languages ​​in a foreign language; and the other is to teach a foreign language in a foreign language. It can be assumed that the purpose and tasks of foreign language teaching include imparting to students that they did not previously have or did not fully grasp