Every day cars kill or hurt many people on roads．Sometimes the drivers drive too（41） 　 　　or do not drive carefully enough．Some of them（42） 　 　the traffic rules and cause accidents．

According to some researches，it is usually the pedestrians步行者who cause the （43） 　 　．A lot of road users are very careless．They walk or run across the roads（44） 　 　the cars．They walk in the roads but not on the walkways．They get into or out of cars in the middle of the road．Some do not take the trouble to（45） 　 　green lights and simply cross the roads against the red lights.

Many people think accidents often happen in busy roads in large cities，but this is not（46） 　 　true．（47） 　 　，Tokyo is one of the world's largest cities and probably one of the busiest cities however，there are（48） 　 　accidents 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 follow traffic rules．

Do you know alcohol酒精is another main cause of traffic accidents？It delays people's response．Those who have drunk alcohol are（49） 　 　in making decisions．They need a few more（50） 　 　to react （ 反应 ）．Alcohol drinking is especially 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．

41．A．slow	B．fast	C．slowly	D．carefully
42．A．make	B．remember	C．follow	D．break
43．A．problems	B．accidents	C．games	D．results
44．A．at the end of	B．in the centre of	C．in front of	D．on top of
45．A．wait for	B．worry about	C．turn on	D．point out
46．A．never	B．often	C．always	D．sometimes
47．A．In addition	B．For example	C．By the way	D．On the other hand
48．A．few	B．many	C．enough	D．some
49．A．slow	B．active	C．interested	D．excited
50．A．days	B．hours	C．minutes	D．seconds