教学中适当引入外语，既可以活跃课堂气氛，提高学习兴趣，又有利于对知识的理解。比如在高三政治常识教材中有一个“联邦制”的概念，如果教师能用英语注释把“联邦制”这个词的解释反映出来，其效果可能更为明显。在牛津英语双解词典里对“联邦制”的解释是这样的：Political The proper introduction of foreign languages ​​in teaching can not only activate the atmosphere of the classroom, improve the interest of learning, but also facilitate the understanding of knowledge. For example, there is a concept of “federalism” in the senior political knowledge textbooks for seniors. If teachers can use English annotations to reflect the interpretation of the term “federalism,” the effect may be more pronounced. The interpretation of “federalism” in the Oxford English Interpretation Dictionary is this: