一、引言随着外语教学改革的广泛和深入开展,真实语境和大阅读受到更加广泛的关注,任务教学和对目的语的文化背景的重视成为外语教学的两大特点。各层次教材的编写更加注重情景化、主题化,不仅为语言的学习提供了生动丰富的情境,更有利于学生全面了解与主题相关的各种语言内容和文化背景,符合大阅读的理念。主题式内容教学摆脱了传统的单一的语言训练,开展基于真实生活的语言综合实践,将客观世界的知识、现实生活 I. INTRODUCTION With the extensive and in-depth reform of foreign language teaching, the real context and the reading have drawn more and more attention. The task teaching and the emphasis on the cultural background of the target language have become two major characteristics of foreign language teaching. The preparation of teaching materials at all levels pays more attention to situationalization and thematicization, which not only provides a vivid and rich context for language learning, but also helps students to fully understand the various language contents and cultural backgrounds related to the subject and is in line with the concept of large reading. Subject-based content teaching to get rid of the traditional single language training, to carry out the practice of language based on real life, the objective world of knowledge, real life