Code: 5kvb is a K 12 educational resource website under Shenzhen 21st Education Co., Ltd., which was officially launched in August 2006. The website is aimed at the front-line teachers and primary and secondary school students in primary and secondary schools all over the country, and provides professional resources for college entrance examination, senior high school entrance examination, senior high school entrance examination and preparation for each grade. The website regularly shares the latest teaching and research results, deciphers the examination rules at all levels, and points out the direction for preparing for exams at all levels.
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