Every day cars kill or hurt many people on roads. Sometimes the drivers drive too fast or do not drive c  1 enough. Some of them break the traffic rules and cause accidents. According to some researches, it is usually the pedestrians（行人）who cause the accidents. A lot of road users are very careless. They walk or run a  2 the roads in front of the cars. They walk in the roads but not on the walkways. They get i  3 or out of cars in the middle of the road. Some do not take the trouble to wait for the green lights and s   4 cross the roads against the red lights. Many people think accidents often h   5 in busy roads in large cities, but this is not always t  6 For example, Tokyo is one of the world’s l  7 cities and probably one of the busiest cities; however ,there are a few a  8 to pedestrians. The reason is that the police there are very strict and the pedestrians are very careful. Pedestrians never cross against a red light and they always f  9 traffic rules. Do you know alcohol（酒精）is a  10 main cause of traffic accidents? It delays people’s response. Those who have drunk alcohol are slow in making decisions. They n  11 a few more seconds to react（反应）.Alcohol drinking is e  12 dangerous for motor car drivers. It is not only drivers who may have accidents after drinking. drunken pedestrians may put their lives in danger as well.