The development of information technology (IT) has brought great changes to foreign language teaching (FLT) regarding instructional ideas, methods, means and the like. However, it deserves our attention what to change to actually improve FLT teaching quality. The paper first analyzes the changes in FLT under IT conditions from the perspectives of learning approach, teaching model, knowledge construction, learning resource and teacher capability. Then the paper discusses the factors remaining unchanged from the perspectives of FLT connotation, teacher-student position, teaching interaction and classroom instruction. Lastly, four strategies of improving technology-enhanced FLT are proposed, including promoting the integration of IT and FLT, exploring application of new FLT models, designing learning resources for new learning approaches and establishing new mechanisms of teaching and learning evaluation.%信息技术的发展促使外语教学在教学理念、方法、手段等方面产生了巨大的变化, 但如何改变才能真正促进外语教学质量的提高是值得深思的问题.文章利用SATI和Ucinet工具进行文献分析, 梳理了近十年来外语教学研究热点的变迁, 认为信息技术应用于外语教学已经成为常态, 并正逐步经历由注重形式向聚焦教学效果的转变.对此, 文章进一步从学习方式、教学模式、知识建构、学习资源、教师能力等五个方面分析了信息技术条件下外语教学中的变化, 并从外语教学内涵、师生角色、人际教学互动、课堂教学地位等四个方面论述了其中不变的因素.据此, 信息技术需要有机融入外语教学的全过程, 构成一个常态化的微观生态系统.
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