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  3. Disposing of waste has been a problem since humans started producing it. As more and more people choose to live close together i

Disposing of waste has been a problem since humans started producing it. As more and more people choose to live close together i

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问题     Disposing of waste has been a problem since humans started producing it. As more and more people choose to live close together in cities, the waste disposal problem becomes increasingly difficult.
    During the eighteenth century, it was usual for several neighboring towns to get together to select a faraway spot as a dump site. Residents or trash haulers(垃圾拖运者)would transport household rubbish, rotted wood, and old possessions to the site. Periodically some of the trash was burned and the rest was buried. The unpleasant sights and smells caused no problem because nobody lived close by. Factories, mills, and other industrial sites also had waste to be disposed of. Those located on rivers often just dumped the unwanted remains into the water. Others built huge burners with chimneys to deal with the problem.
    Several facts make these choices unacceptable to modern society. The first problem is space. Dumps, which are now called landfills, are most needed in heavily populated areas. Such areas rarely have empty land suitable for this purpose. Property is either too expensive or too close to residential neighborhoods. Long distance trash hauling has been a common practice, but once farm areas are refusing to accept rubbish from elsewhere, cheap land within trucking distance, of major city areas is non-existent. Awareness of pollution dangers has resulted in more strict rules of waste disposal. Pollution of rivers, ground water, land and air is a price people cannot longer pay to get rid of waste. The amount of waste, however, continues to grow.
    Recycling efforts have become commonplace, and many towns require their people to take part. Even the most efficient recycling programs, however, can hope to deal with only about 50 percent of a city’s reusable waste.
The main purpose of writing this article is to______.
选项 A、draw people’s attention to waste management
B、warn people of the pollution dangers we are facing
C、call on people to take part in recycling programs
D、tell people a better way to get rid of the waste
答案A
解析 主旨推测题。文章通过讲述垃圾处理面临的各种问题，目的是为了引起人们的注意。A项“引起人们对垃圾处理的关注”，符合文章大意。所以答案为A。
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