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  3. Reducing Waste Food Experts in the food industry are thinking a lot about trash these days. Restaurants, colleges, hospitals

Reducing Waste Food Experts in the food industry are thinking a lot about trash these days. Restaurants, colleges, hospitals

admin2013-01-10  50
问题                             Reducing Waste Food
    Experts in the food industry are thinking a lot about trash these days. Restaurants, colleges, hospitals and other institutions are compensating for the rising costs of waste in novel ways. Some are tracking their trash with software systems, making food in smaller amount or trying to cut down on trash-hauling costs. Roughly 30 percent of food in the United States goes to waste, costing some $48 billion annually, according to a Stockholm International Water Institute study. A 2004 University of Arizona study estimated that 40 to 50 percent of food in the United States is wasted. Freshman students at Virginia Tech were surprised this year when they entered two of the campus’s biggest dining hails to find there were no cafeteria trays. Getting rid of trays has cut food waste by 38 percent at the cafeterias, said Denny Cochrane, manager of Virginia Tech’s sustainability program. Before the program began, students often grabbed whatever looked good at the canteen, only to find at the table that their eyes were bigger than their stomachs, he said
    That same phenomenon often happens at Oregon’s Portland International Airport. Busy travelers often discard half-eaten meals into trash cans, adding dozens of tons of waste that the airport must pay the city to haul away. Now the airport is carrying out a program to install food-only trash carts. The food waste is collected in biodegradable (可生物 降解的) bags and given to the city to use as compost (肥料). Besides being environmentally friendly, the changes may save the airport money. It costs about $82 to have one ton of trash hauled from the airport to the city landfill (垃圾掩埋场). But food waste costs about $ 48 a ton to haul.
    Cutting back on the waste can require spending money on software and training. LeanPath, based in Portland, Ore. , sells a software system to track food being thrown out. Steve Peterson, head chef at the MGM Grand hotel in Las Vegas, said he was surprised when he installed the LeanPath system and saw the value of food that was going out the back door. To cut costs, Peterson decided to reduce serving sizes. He said customers weren’t bothered by the switch, which has helped him lower food waste by between 15 to 20 percent over 18 months.
What’s the benefit of installing food-only trash cans at the airport?
选项 A、It will reduce the cost of removing the trash.
B、It will keep the airport clean and tidy.
C、It will faster the process of making trash into compost.
D、It will remind the passenger to produce less trash.
答案A
解析 推理判断题。由题干中的installing food-only trash cans at the airport定位到第三段。文章说这样既有助于改善环境又可以省钱。再对比本段第六句所提到的不同的价格可知，[A]“这样可以降低运输垃圾的成本”为正确答案。文章没有提到这样是否会让机场更加干净整洁，故排除[B]；整个垃圾袋中的废物都是食品，可以将其比较容易地变成肥料，但文章没有说会不会让食品废物因此而可以更快地变成肥料，故排除[C]；文章没有说乘客的反应，所以排除[D]。
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