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? Pwd= 1234 extraction code: 1234 K 12 Education is committed to providing junior high school students with rich materials, dry goods and excellent courses. We provide Deng Yaokang, the third senior biology student in 2023, the general review language of the new college entrance examination version in 2023,-Li Zheng and other related courses. At the same time, it pays attention to cultivating students' scientific learning methods and skills to help students improve their learning effect and autonomous learning ability. Through diversified learning resources and professional guidance, we provide comprehensive support and help for students' learning path.