第1小时- https://classroom.google.com/c/NjkxNDk1NzI2NTky?cjc=hbzgu2u

第三小时- https://classroom.google.com/c/NjkxNDk1NjI4Njcx?cjc=tr7gixx

第4小时- https://classroom.google.com/c/NjkxNDk1NTY4NTE0?cjc=wyifbwu

第五小时- https://classroom.google.com/c/NjkxNDk1NzM0ODA0?cjc=mqwc7zr

6th Hour - https://classroom.google.com/c/NjkxNDk1Njc5NTcz?cjc=dmtuioq