Join the campus network连接校园内网
Connect to the EduStar campus Wi-Fi, or plug into the school network from a classroom device.连接 EduStar 校园 Wi-Fi，或从教室内设备接入学校网络。
IB QuestionbankIB 题库
Campus Network Only仅限校园内网访问
The IB question bank runs on a private internal site (learn.edustarcorp.com) that is not published to the public internet. Connect to the EduStar campus network, then use the button below — this page also forwards you automatically when it can.IB 题库运行在不对公网开放的内部站点（learn.edustarcorp.com）上。请先连接 EduStar 校园内网，再点下方按钮进入；检测得到时本页面也会自动跳转。
How To Get In如何进入
Three quick checks before you give up on the link.在放弃这个链接之前，先做三步检查。
Open it from the campus network在校园内网打开
On campus Wi-Fi the button above opens the question bank every time. This page also forwards you automatically whenever the browser allows the check.在校园 Wi-Fi 下，点上方按钮即可进入题库；当浏览器允许检测时，本页面也会自动跳转。
Still blocked?仍然打不开？
The question bank is deliberately not published to the public internet, so it cannot be opened from home or on mobile data.题库站点刻意不对公网开放，因此在家庭网络或移动数据下无法打开。
Internal address: https://learn.edustarcorp.com — reachable only from the EduStar campus network. If the automatic check is blocked by your browser (Chrome may ask for permission to reach the local network), the button above still works.内部地址：https://learn.edustarcorp.com —— 仅在 EduStar 校园内网可访问。若浏览器拦截了自动检测（Chrome 可能询问是否允许访问本地网络），点上方按钮照样可以进入。