考研英语听力基本功训练1: Passage31
教程:考研英语听力基本功训练  浏览:913  
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    Consumption of natural resources rises dramatically every year as the human population increases and standards of living ris

    Between 1950 and 1990 the world population doubled to 5.3 billio

    with nearly 80 percent living in developing ,or poorer nation

    The large,developed nations,however,are responsible for the greatest consumption of natural resources because of their high standards of livin

    Conservation education and the thoughtful use of resource

    is necessary in the developed countries to reduce natural-resource consumptio

    To protect natural resources from pollution,individuals,industries,and governments have many obligation

    These include prohibiting or limiting wastewater and airborne pollutant

    preventing the production of radioactive material

    and regulating drilling and transportation of petroleum product

    Failure to do so results in contaminated air, soil,rivers,plants,and animals.

    For example,if governments required that all oil tankers be fitted with double-layered frame

    the damages to fisheries and wildlife from the many oil spills of the 20th century may have been reduced.

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