一、引言阅读训练是包括大学英语在内的一切外语教学工作的重要环节，而背景知识又往往被认为是提高学生外语阅读理解能力的重要因素。因此，我们在英语教学中总要不厌其烦地向学生强调掌握背景知识的重要性。近十多年来，国外的外语教学与研究界对此更是表现出越来越大的... I. Introduction Reading training is an important part of all foreign language teaching, including college English. Background knowledge is often considered as an important factor in improving students’ reading comprehension in foreign languages. Therefore, we always take the trouble to stress to students in English teaching the importance of background knowledge. In the recent ten years, foreign language teaching and research circles have shown more and more ...