The 21st century is the information age which is characterized by the computer and the network, the college English teaching is facing new demands and new challenges. The traditional teaching model can not meet the requirements of the new era and it is not conducive to training the students who adapt to the times. For this reason, study the college english teaching mode under the multimedia environment is increasingly important. In this paper, the teaching practice and computer knowledge networks are combine to explore the changing role of college english teachers and practical college English teaching mode.
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