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  3. Automobiles changed the world during the 20th century, particularly in the United States and other industrialized nations. They

Automobiles changed the world during the 20th century, particularly in the United States and other industrialized nations. They

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问题     Automobiles changed the world during the 20th century, particularly in the United States and other industrialized nations. They are indeed of great use to us, but they have brought some hazards as well, such as noise and air pollution, and highway fatalities. It is reported that automobile accidents rank among the leading causes of death and injuries throughout the world. Fortunately modern innovators are reinventing the automobile. New propulsion system, fuels, designs, and means of manufacturing cars have all developed rapidly in the past decade. For example, by using the satellite-aided global positioning system, a computer in the automobile can locate the vehicle’s precise position, and with the application of sensors, smart cars can eliminate most car accidents.
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答案 汽车在20世纪改变了世界，尤其是在美国和其他工业国。汽车确实对我们有大用处，但也带来一些危害，比如声音污染、空气污染以及公路死亡事故。据报道汽车事故被列为全世界导致死亡的主要原因之一。庆幸的是，现代发明家们正在重新发明汽车。新的推进系统(propulsion system)、燃料、设计以及制造汽车的手段在过去的10年中得到迅速发展。例如，通过使用卫星辅助的全球定位系统，汽车里的计算机能给汽车器的应用，智能汽车能排除不少汽车事故。
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