You can also obtain corresponding learning materials through the national wisdom education platform for primary and secondary schools. The national platform for wisdom education in primary and secondary schools has a simple interface and is easy to operate. You don't need to register or log in, enter the national wisdom education platform for primary and secondary schools, find what you need to learn, and directly click to enter learning. You can browse and use it by entering the URL with a browser, and all kinds of resources are free. Primary and secondary school students can learn through the "course teaching" topic, and primary school, junior high school and senior high school students can learn courses synchronized with the teaching materials on the platform.

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