Xinwen Tingli Jiaocheng Shangce Audio

Based on the original frame, the revised edition reduced the number of lessons from 100 to 76, and the degree of difficulty is lowered to enable it to be finished within one year. Outdate texts are deleted, and the contents are revised to make the book timely. The explanations of language points are also modified, and the order is rearranged to make it more convenient for teaching