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近年来，美国每年死于交通事故者约5万人左右，居世界第一。我国每年死于公路交通事故者约4万人，居世界第二。乌鲁木齐市1985～1986年发生5O00起机动车交通事故，死亡约200人。许多资料表明，由人引起的肇事原因占97％。为了解与人有关的危险因素，我们对乌鲁木齐市公共汽车驾
In recent years, about 50,000 people have died of traffic accidents each year in the United States, ranking first in the world. About 40,000 people died of road traffic accidents every year in China, ranking second in the world. From 1985 to 1986 in Urumqi, there were 500,000 motor vehicle traffic accidents and 200 deaths. Many sources show that the cause of the accident caused by people accounted for 97%. To understand the human-related risk factors, we will drive buses to Urumqi.