第四課車站
https://www.youtube.com/watch?v=5T2Fh_Qr7ps
https://www.youtube.com/watch?v=IUx-Z5STzcQ
https://www.youtube.com/watch?v=o_ajCS0RwxM
https://www.youtube.com/watch?v=526RK6n1oBU
https://www.youtube.com/watch?v=5o1Bt6hAwSk
https://www.youtube.com/watch?v=UG97x6V5q0c
第五課 校園的安全
https://www.youtube.com/watch?v=s2fhLK5OXUE
11:00可進視訊,11:10準時上課。
https://meet.google.com/hae-rnnd-etz
課程代碼 hae-rnnd-etz