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Green Paper Even in this electronic era, paper continues to play a complete role in our daily lives. Americans depend on abo

admin2013-07-08  38
问题                             Green Paper
    Even in this electronic era, paper continues to play a complete role in our daily lives. Americans depend on about 85 million tons of paper and paperboard a year to help us clean, organize, advertise, educate and much more, according to the Environmental Protection Agency.
    Unfortunately, this soft product comes with environmental disadvantages. These include the loss of biological variety associated with permanent forest; an energy and water intensive production process that generates greenhouse gases and other dangerous products; and a life cycle that ends in a landfill or incinerator nearly half the time.
    Of course, we have choices. We can lessen paper’s environmental blow first and foremost by reducing our dependence (using cloth towels in the kitchen, printing on both sides of the sheet at the office, etc.). And, when we really need to use paper, we can make better-educated buying decisions. Here are a few tips for purchasing eco-friendly paper:
    Buy recycled. Doing so saves landfill space, supports green jobs and " reduces the total amount of resources you’re using", says Susan Kinchella, executive director of Conse-rvatree, an organization that advocates using more paper which can be used again.     Study labeling carefully. Look for products that contain post-consumer waste (or material that has completed a full life cycle); the higher the percentage, the better. A chasing-arrows symbol may simply mean a paper product can be recycled, while the word" recycled may refer to only a small percentage of recovered fibers.
    Demand certificate. A number of organizations certify that the original fiber used in a given paper comes from responsibly managed forests. Kinsella says the one environmentalists trust most is the Forest Stewardship Council. Check with your printer or paper supplier to see whether it carries FSC-certified lines.
    Consider tree-free options. Some paper is now made from agricultural crops, several of which have a higher yield per acre than some types of trees used in papermaking and may have other benefits. Tree-free material is available for personal use (think cards and invites), but before buying, investigate its origins and the farming practices used. For a list of suppliers, check out http://www, con-servatree. org/tree free. html.
    Check color. Paper which is made whiter without the use of CI or other chemicals is less polluting. Using paper without CI is another step up. And when using a professional printer, ask for vegetable-based inks.
Which of the following is true according to Para. 7?
选项 A、Agricultural crops and remainders can make better paper products.
B、All the tree-free materials are better than trees in making paper.
C、All the people have begun to use tree-free paper products.
D、Compared with trees, tree-free materials are better in many aspects.
答案D
解析 事实细节题。由题干中定位到第七段可知，用某些农作物及其残渣做成的纸制品有许多优点，且农作物的亩产相对较高。[D]“与树木相比，农作物原料在许多方面都更有优势”符合原文的意思，故为答案。[A]“农作物及其残渣可以生产出比较好的纸制品”，文中并未对两种材料生产出的纸的质量进行对比，故排除；[B]“在造纸方面，所有的环保材料都比树木有优势”，文中也没有提至这这一点，并且此项说法太过绝对，故排除；[C]“所有的人已经开始使用环保纸制品了”，文中并未提到此事，故排除。
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