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BAAO Interactive Lab

BAAO 互动练习

4 modules, 20 past questions worked in full, 52 marks.

4 个模块、20 道真题完整讲解，共 52 分。

Past BAAO questions rebuilt as interactive pages and grouped by topic, each worked in full. The rest of the BAAO questions are in the answers-only question bank, with full working in the BAAO book.

把 BAAO（英国天文与天体物理奥赛）真题做成互动页面，按专题分组，每道题都有完整讲解。其余 BAAO 真题在只给答案的题库里，完整过程见 BAAO 题解书。

Every module has the same fixed structure: it opens with the background for the topic, then each past-paper question gets its own tab, always in the same order.

每个模块的结构都一样：先讲这一专题的背景知识，然后每道真题单独一页，顺序固定。

1. →Background背景知识
2. then, for each question:然后每道题：
3. 1Question原题
4. 2Analysis题目分析
5. 3Visualisation可视化
6. 4Try it yourself自己算
7. 5Full solution完整解答
8. 6Traps易错点

Marks are awarded in proportion to the parts you get right; each hint you open takes a quarter off (never below a quarter), and opening the full solution first means the attempt is not scored. Progress is saved only in this browser.

按答对的小问比例给分；每看一条提示扣四分之一（最低保留四分之一），先看完整解答再作答则不计分。进度只保存在当前浏览器里。

Modules · M1–M4模块 · M1–M4

Beyond the lab练习之外