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paperback. Zustand: New. Language:Chinese.Paperback. Pub Date: 2014-8-1 Pages: 140 Publisher: East China Normal University Press. a lesson a practice open class is a one lesson a practice. the upgraded version. Use two-dimensional code and micro-video technology to provide students with the knowledge and materials simultaneously explain. focus. and difficult to explain. explain classic examples. You can review as a student after school use; also be used as a reference classroom teaching. Students can move APP way. wa.…