Along with the development of science and technology, modern information technologies must be appropriately used in teaching, so as to improve teaching and learning methods and the quality of teaching. Multimedia instruction, relying on flexible and varied expressive forms such as sound-image, text-graphics, and static-dynamic combination, and many features such as large capacity and excellent visual effect, are widely popular among the masses of teachers and students, and therefore, it has been increasingly extensively applied to teaching.
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