当前世界上人们对外语的兴趣非常浓厚,学习外语的规模已达到空前的程度。外语教科书已成为全世界各行各业、各种年龄的人们所必备的案头书。群众性的传播手段蓬勃发展,科学技术取得伟大成就,还有许多其他社会原因和历史原因,使得人们之间的各种形式的语言交际有了可能。因此,提高外语教学的效果在我们这个时代就显得非常迫切。 People in the world are very interested in foreign languages ​​and the scale of learning foreign languages ​​has reached an unprecedented level. Foreign language textbooks have become a must-have book for people of all walks of life and all ages in the world. Popular means of mass communication flourished, and great achievements were made in science and technology. There were many other social and historical reasons that made it possible for people to communicate in various forms of language. Therefore, improving the effectiveness of foreign language teaching is very urgent in our era.