双语教学是将外语作为教学语言进行学科学习的教学模式，是培养复合型国际化人才最直接、有效的手段之一。本文结合具体的工作实践，对教学内容、课前预习及设计、课堂语言应用、授课方式及效果在材料类专业课中的双语教学实践进行深入探讨，提出双语教学要有“度”的概念，并分析制约双语教学发展的诸多因素。%Bilingual teaching is a model using a foreign language as the main language to learn some subjects, which is one of the most direct and effective ways to cultivate interdisciplinary and internationalized talents. In this paper, the course content, pre-viewing and designing before the class, the class language appli-cation, teaching method and effect were deeply discussed ac-cording to the working practice. Furthermore, rational arrange-ment was necessary for the bilingual teaching, and many effect factors which hindered the development of bilingual teaching were discussed.
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