online-resource

content.en/docs/学术资源/学科在线资源/通用.md

@@ -0,0 +1,69 @@
+# 通用
+
+可以用于多个，跨学科的资源。
+
+## [Khan Academy](https://www.khanacademy.org/)
+
+{{< expand "简介" "..." >}}
+
+On Khan Academy, you are offered with free recorded lessons of a specturm of subjects, including Mathematics, Natural Science, Social Science, Arts, Humanities and Languages.
+
+> It has produced over 8,000 video lessons teaching a wide spectrum of academic subjects, originally focusing on mathematics and sciences. All resources are available for free to users of the website and application.
+>
+> As of 2018, over 70 million people use Khan Academy, out of which 2.3 million students use it to prepare for the SAT.
+>
+>As of February 2022, the Khan Academy channel on YouTube has 7.11 million subscribers and Khan Academy videos have been viewed more than 1.94 billion times.
+
+This website is also extremely useful if you are preparing for the **A**dvance **P**lacement (**AP**) exams.
+
+{{< /expand >}}
+
+### 营业范围
+
+It offers
+  - Math: Pre-K - 8th grade
+  - Math: Get Ready Courses
+  - Math: High School & College
+  - Test Prep
+  - Science
+  - Computing
+  - Arts & Humanities
+  - Economics
+  - Reading & Language Arts
+  - Life Skills
+
+### 特性
+
+- Free
+- Interactive
+
+## [Seneca](https://app.senecalearning.com/courses)
+
+### 简介
+
+You can find some free resource for IGCSE or A-Level. It offers a great number of free and paid study materials of nearly every subject. 
+
+## [EDX](https://www.edx.org/)
+
+### 简介
+
+麻省理工和哈佛大学的大规模开放在线课堂平台，大部分是英文的，但可以听清华、北大、香港大学、香港科技大学的课程
+
+## [Physics & Maths Tutor](https://www.physicsandmathstutor.com/)
+
+### 简介
+
+Includes detailed notes for different subjects in IGCSE and A-Level. 
+
+## [Pastpapers.co](https://pastpapers.co/cie/)
+
+### 简介
+
+![pastpapers.cologo.png](/dsasuniversaldocs/resources/academicdpt/pastpapers.cologo.png =55%x)
+Website for past papers and mark schemes 
+
+## [Professor Dave Explains](https://www.youtube.com/c/ProfessorDaveExplains/playlists)
+
+### 简介
+
+A youtube channel covering knowledge from humanities to natural science. The contents about Biology and Chemistry are especially recommended.