Update CV content

Author: MatrixCQY

_pages/cv.md

@@ -45,12 +45,11 @@ Preprints
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   Coming soon...
 
-Talks
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-
 Teaching
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+  * High School Math (2024-2025)
+    * The student successfully passed the college entrance examination in 2025 and was admitted to Fudan University, with a score of 131 in mathematics.
 
 Service and leadership
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-  Mid Lane Shotcaller in League of Legends (LoL)
+  * Mid Lane Shotcaller in League of Legends (LoL) :)