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  3. Remember the drinking f0untain,that once ubiquitous,and free,source of H2O? It seems quaint now. Instead, bottled water is every

Remember the drinking f0untain,that once ubiquitous,and free,source of H2O? It seems quaint now. Instead, bottled water is every

admin2010-09-25  116
问题       Remember the drinking f0untain,that once ubiquitous,and free,source of H2O? It seems quaint now. Instead, bottled water is everywhere. It’s refreshing, calorie-free, convenient to carry around, tastier than some tap water and a lot healthier than sugary sodas. But more and more, people are questioning whether the water, and the package it comes .in, is safe, or at least safer than tap water and if the convenience is worth the environmental impact.
     Evocative names and labels depicting pastoral scenes have convinced people that the liquid is the purest drink around. Yes,some bottled water comes from sparkling springs and other pristine (清新洁净) sources. But more than 25 percent of it comes from a municipal supply. The water is treated, purified and sold to us, often at a thousand-fold increase in price. Most people are surprised to learn that they’re drinking glorified tap water, but bottlers aren’t required to list the source on the label.
     The controversy isn’t simply about tap vs bottled water; most people drink both, knowing the importance of plenty of water. What they may not know is that some bottled water may not be as pure as they expect. In 1999 the Natural Resources Defense Council (NRDC) tested more than 1,000 bottles of 103 brands of water, which is the most recent major report on bottled water safety. While noting that most bottled water is safe, the organization found that at least one sample of a third of the brands contained bacterial or chemical contaminants, including carcinogens(致癌物质) ,in levels exceeding state or industry standards. Since the report, no major regulatory changes have been made and bottlers haven’t drastically altered their procedures, so the risk is likely still there.
     Besides, bottled water also affects the health of the planet. A big part of the appeal of bottled water is those convenient single-serving bottles. Yet fewer than 20 percent of them ever make it to a second life, according to estimates by the Container Recycling Institute. The rest are tossed onto beaches and roadsides and into landfills, where they could be around for a thousand years. Nestle Waters and other bottlers are trying to be greener, introducing lighter-weight bottles that use up to 30 percent less plastic. It’s a good start, but more needs to be done.
Nestle and some bottled water companies are trying to reduce the environmental impact by shifting to
选项
答案lighter-weight bottles
解析 题目问的是，Nestle(雀巢)和其他一些瓶装水公司转而使用什么以减少其对环境的影响。原文最后一段倒数第二句提到，雀巢和其他一些瓶装水公司正试图使自己变得更加环保，他们推出的轻型包装所使用的塑料可比原来减少30%。题干中的reduce the environmental impact是对原文be greener的同义转述，shifting to是对introducing的同义转述，故答案为lighter-weight bottles。
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