You can test the jingle:
1. Turn to go straight, turn right and turn left, the road on the right comes first, with five stops and three stops, that is, 50 meters with exits and 30 meters with stops.
2, within 30 meters of the scene, within 50 meters of accident-prone sections; No center line, the city is fair and four; In the same direction, the cities are five and seven.
3. Unlimited speed sign, city 30, high speed 40; Highway 50, highway 70.
4, 200 meters visibility, top speed 60, car distance100; 100 meter visibility, maximum speed 40, distance 50, visibility 50 meters, speed 20, leave the expressway as soon as possible.