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  3. The difficulty of balancing profits and social responsibility is very apparent when you consider environmental issues. Consumers

The difficulty of balancing profits and social responsibility is very apparent when you consider environmental issues. Consumers

admin2012-01-23  53
问题     The difficulty of balancing profits and social responsibility is very apparent when you consider environmental issues. Consumers value the goods and services that business produces, but businesses cannot produce goods and services without polluting to some degree. Businesses strive to lower their costs in order to offer products to consumers more efficiently and to make profits for investors, but sometimes it is necessary for businesses to spend more in order to pollute less. When such situations arise, whose interests should be served first—those of society, the consumer, or the investor? Clearly, this question has no easy answer, but examining how businesses pollute may provide some perspectives.
    Economic progress threatens our air, water, and land because these elements can so easily be tainted by pollution. Moreover, the pollution in any one element can easily taint the others. This problem is pervasive in industrialised and developing nations alike. In fact, the emerging economies of Asia and Latin America have built much of their growth on very loose environmental standards. But Mexico, Malaysia, and other countries are realising that their prosperity can be sustained only if their citizens can enjoy a quality of life that comes with a clean environment. At the same time, the countries of Eastern Europe are scrambling to reverse the decade of environmental neglect that occurred around the middle of the 20th century. As you can imagine, this is no easy task.
    The most noticeable form of air pollution, smog, is produced by the interaction of sunlight and hydrocarbons(gases released when fossil fuels are burned). We need only look at the smog that hangs over many major cities of the world to know that air pollution is a problem that businesses, consumers, and governments must address together. Another damaging air pollutant is acid rain, created when emissions from coal-burning factories and electric utility plants react with air. In addition, emissions from factories and cars pollute the air and contribute to global warming through the greenhouse effect, in which heated gases form a layer of unusually warm air around the earth, trapping the sun’s heat and preventing the earth’s surface from cooling.
    Experts worry about airborne toxins that are emitted during some manufacturing processes. Large and small companies together release millions of pounds of chemical wastes into the air each year. Although the effects of many of these substances are unknown, some are known to be cancer causers. Of special concern in recent years are microscopic particulates in the air that may be responsible for more than 150,000 deaths each year.
    Our air is not the only part of our environment to suffer. Water pollution has damaged many U.S. lakes, rivers, stream, harbours and coastal waters. This pollution comes from a variety of sources: manufacturing facilities, mining and construction sites, farms, and city sewage systems. The main threat is the careless day-to-day disposal of wastes from thousands of individual sources. Even if all wastewater were purified before being discharged, our groundwater would still be endangered by leakage from the millions of tons of hazardous substances that have been buried underground or dumped in improper storage sites. Much of this pollution was created years ago by companies that carelessly—but legally—disposed of substances now known to be unhealthy. Cleaning up these wastes is extremely difficult and expensive.
    In addition, companies and individuals generate enormous amounts of solid waste—over 200 million tons in the United States each year. Much of this waste ends up in landfills. A large part of the problem is consumer demands for convenience and fashion. These demands lead to creating disposable items, manufacturing products with excess packaging, and discarding useful items that are no longer the hot style or colour. Fortunately, recent efforts to conserve and recycle resources are helping to combat the land pollution problem.
How would our groundwater be endangered according to the fifth paragraph?
选项 A、It would be endangered by manufacturing factories.
B、It would be endangered by leakage from masses of hazardous substances that were buried underground or dumped in improper storage sites.
C、It would be endangered by careless day-to-day disposal of wastes from thousands of individual sources.
D、It would be endangered by substances which are thrown away carelessly by companies.
答案B
解析 第五段主要讲述了水污染。水污染已经破坏了美国众多湖泊、河流、港湾以及沿海水域。加工工厂、煤矿或建筑工地、农场以及城市地下水系统是水污染的来源。然而，最大的威胁还是来自于千家万户每天丢弃的垃圾。即便是所有的废水在排放前被净化，我们的地下水资源形势也不容乐观，因为埋在地下或丢弃在不合适的垃圾场的数百万吨有毒物质的渗漏同样会污染地下水。这样的污染物是几年前由工厂合法填埋处理，现在才知道这些物质是对健康有害的。清理这些废物非常困难，而且代价不菲。题干意思是“地下水是如何被污染的?”根据本段内容，可以确定B项是正确选择。A、C、D项所述内容与此段不符，均可排除。
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