1ke ten cac loai hinh giao thong ?
2tham gia giao thong an toan la gi ?
3neu hau qua cua viec tham gia giao thong khong an toan ?
4trinh bay hieu biet cua ban ve viec chap hanh an toan giao thong cua moi nguoi noi chung va hoc sinh noi rieng ?
ai tra loi nhanh minh se danh tick