Unit 4 Dont eat in class,文明城市需要文明交通, 文明交通呼唤文明市民。交通文明关乎着每一个人的生活, 交通安全维系着每一个家庭的幸福。希望每个人都要从自我做起, 做一名文明的出行者,Traffic rules are also called Road Safety rules. Traffic rules help to keep order on the road. They also help to keep people safe. The pedestrian has as many rules to follow as the driver of a car. You should walk on the sidewalk or at the side of the road. Always look carefully before you walk across the street. If you like riding a bike,dont ride in the middle of the road or run through red
