菁优网

菁优网是一个2009年成立于广东省深圳市的学习网站，涉及的学科包括小学数学、初中数学、初中物理、初中化学、初中生物、初中地理、高中数学、高中物理和高中化学。网站具有海量题库，并且每日进行更新，收录了中小学生平时大部分作业题及全国各地中高考及模拟考试试题。菁优网收录的每道题目均附有细致入微的解析，并提供试卷下载、在线作业以及社交娱乐等各种服务，深受全国学生欢迎。2011年，网站推出付费业务“VIP会员”，部分题目开始仅对“VIP会员”开放。2012年有所调整，也可通过付费充值优点方式查看题目解答。

网站收录了全国各地历届中考题、高考题、期中期末考题、甚至各校月考题都有涉猎。用户可在搜索栏输入题目关键字查询题目，或者搜索试卷。且网站提供试题、试卷查看及下载，部分题目可以免费显示标准答案及详细解析，但一些较难题目需要支付优点或通过充值VIP服务来直接查看标准答案和解析。同时该网站提供在线免费测试，用户可选择试卷进行自我测评，同时用户可根据网站的“试卷分析”自我寻找出题动向。

全国名师

只有名师才可以上传或修改菁优网的试题或解析，因此具有较高的可信度，同时网站有回复功能，用户可以自己做老师发现瑕疵，指错后老师会立即修改。

菁品试题

全国各地数百位名师真情奉献，按照新课标理念精心解析超过十万个初中数学题目，每个题目均配有详细的分析、解答与点评。

菁品试卷

超过万份初中数理化试卷，真正的全解全析，包括历届中考、高考真题、中考模拟、期中、期末、月考、单元、课课练等各种类型的试卷。

菁通数理化

互联网时代的初中数学在线训练工具，建立网络作业本、错题本与好题本，进行在线训练、好题训练、错题分析与学习诊断，帮助学生打好基础、攻克难关。菁优网不仅有优质的数学试题，试卷，还有物理、化学的题目。共分为“初中数学、初中物理、初中化学、初中生物、初中地理、高中数学、高中物理、高中化学、小学数学”。[

Jingyou.com is a learning website established in Shenzhen, Guangdong Province in 2009. the subjects involved include primary school mathematics, junior high school mathematics, junior high school physics, junior high school chemistry, junior high school biology, junior high school geography, high school mathematics, high school physics and high school chemistry. The website has a large question bank, which is updated daily, including most of the homework questions of primary and middle school students and the college entrance examination and mock examination questions all over the country. Each of the questions included by Jingyou.com is accompanied by detailed analysis, and provides various services such as test paper download, online homework and social entertainment, which are well received by students all over the country. In 2011, the site launched a paid service “VIP members”, and some of the topics began to be open only to “VIP members”. There will be some adjustments in 2012, and you can also view the answers to the questions by paying for the benefits of recharging.

The website contains all previous high school entrance examination questions, college entrance examination questions, mid-term and final examination questions, and even monthly examination questions from all over the country. Users can enter keywords to query questions in the search bar, or search for test papers. And the website provides test questions, test papers to view and download, some questions can be free to display standard answers and detailed analysis, but some of the more difficult questions need to pay advantages or through the recharge VIP service to directly view the standard answers and analysis. At the same time, the website provides free online testing, users can choose test papers for self-evaluation, and users can find the trend of self-examination according to the “test paper analysis” of the website.

National famous teacher

Only a famous teacher can upload or modify the test questions or analysis of Jingyou.com, so it has a high credibility, and the website has a reply function, so users can be their own teachers to find defects, and the teacher will modify them immediately after pointing mistakes.

Elite test questions

Hundreds of famous teachers from all over the country have made sincere contributions to meticulously analyze more than 100,000 junior high school mathematics problems according to the concept of the new curriculum standard, each with detailed analysis, answers and comments.

Jingpin test paper

More than 10,000 junior high school math, physics and chemistry examination papers, a real complete analysis, including previous high school entrance examination, college entrance examination real questions, middle school entrance examination simulation, mid-term, final, monthly examination, unit, class practice and other types of examination papers.

Jing is proficient in mathematics, physics and chemistry.

Junior high school mathematics online training tools in the Internet era, set up network exercise books, wrong problem books and good problem books, carry out online training, good problem training, error problem analysis and learning diagnosis, so as to help students lay a good foundation and overcome difficulties. Jingyou.com has not only high-quality math questions and papers, but also physics and chemistry questions. It is divided into “junior high school mathematics, junior high school physics, junior high school chemistry, junior high school biology, junior high school geography, high school mathematics, high school physics, high school chemistry, primary school mathematics”. [

菁优网是一个2009年成立于广东省深圳市的学习网站，涉及的学科包括小学数学、初中数学、初中物理、初中化学、初中生物、初中地理、高中数学、高中物理和高中化学。