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Based on the previous research and practice, the present paper conducts an investigation in three Chinese universities to find out the general situation of the switching to Chinese and attempts to test the positive role of the use of Chinese in the EFL classroom of Chinese universities. This case study focuses on revealing the attitudes of teachers and students towards the patterns, functions, factors and influence of the switching to Chinese in the EFL classroom of Chinese universities.The study integrates the qualitative and quantitative research methods to analyze teachers' codeswitching to Chinese through the teachers and students' questionnaires and classroom recordings.
Liu Jing-xia (Wed,) studied this question.