CSDN社区是一个专业的IT技术学习和交流平台，涵盖了多种语言和技术领域，如Delphi, Python, Qt, C#, HTML5等。在这里，你可以找到最新的问题，最热的讨论，最有价值 …

中国教育考试网 教育考试 教育 首页 - 中国教育考试网

Coursera partners with more than 350 leading universities and companies to bring flexible, affordable, job-relevant online learning to individuals and organizations worldwide. We offer a range of learning opportunities—from hands-on projects and courses to job-ready certificates and degree programs.

Quizlet是一款人工智能支持的学习工具，能让您学习任何知识。今天就开始利用我们的在线教学卡片、游戏和专家编写的解答进行学习。

College Board 每年接触超过 700 万名学生，帮助他们从高中到大学和职业的道路。我们的非营利性会员组织成立于 120 多年前。我们率先推出了 SAT® 和 AP® 等课程，为学生提供更多机会，帮助他们发展所需的技能。我们的 BigFuture® 计划帮助学生规划大学、支付大学费用和探索职业。College Board reaches more than 7 million students a year, helping them navigate the path from high school to college and career. Our not-for-profit membership organization was founded more than 120 years ago. We pioneered programs like the SAT® and AP® to expand opportunities for students and help them develop the skills they need. Our BigFuture® program helps students plan for college, pay for college, and explore careers.

We're an independent nonprofit that provides parenting resources and in-depth school quality information families can use to choose the right school and support their child's learning and development."、