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  3. Food waste has been a chronic problem for restaurants and grocery stores—with millions of tons lost along the way as crops are h

Food waste has been a chronic problem for restaurants and grocery stores—with millions of tons lost along the way as crops are h

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问题     Food waste has been a chronic problem for restaurants and grocery stores—with millions of tons lost along the way as crops are hauled hundreds of miles, stored for weeks in refrigerators and prepared on busy restaurant assembly lines. But the historically high price of products is making it an even bigger drag on the bottom line.
    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 packages or trying to compost (将…割成堆肥) and cut down on trash-hauling costs.
    "We have all come to work with this big elephant in the middle of the kitchen, and the elephant is this ’ It’s okay to waste’ belief system," said Andrew Shackman, president of LeanPath, a company that helps restaurants cut back food waste.
    The interest level in cutting food waste "has just skyrocketed in the last six to nine months," he said.
    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 University of Arizona study estimated that 40 to 50 percent of food in the United States is wasted. Wholesale food costs have risen more than 8 percent this year, the biggest jump in decades, according the National Restaurant Association.
    Freshman students at Virginia Tech were surprised this year when they entered two of the campus’s biggest dining halls to find there were no trays.
    "You have to go back and get your dishware and your drink, but it’s not that different," said Caitlin Mewborn, a freshman. "It’s not a big trouble. You take less food, and you don’t eat more than you should."
    Getting rid of trays has cut food waste by 38 percent at the dining halls, said Denny Cochrane, manager of Virginia Tech’s sustainability program. Before the program began, students often grabbed whatever looked good at the buffet (自助餐)only to find at the table that their eyes were bigger than their stomachs, he said.
The author mentions Virginia Tech as an example to support the idea that _______.
选项 A、food waste has been a chronic problem
B、novel ways are being used to cut food waste
C、colleges are the biggest source of food waste
D、the "It’s okay to waste" belief system is influential
答案B
解析 本题考查文章主旨大意。第1段和第2段以因果逻辑关系点出文章主题：因为(第1段)食品浪费的问题很严重，因此(第2段)各种机构试图用新方法去解决。接下来，第3、4、5段阐述第1段的观点，最后三段则举例说明第2段，由此可见，本题应选B。
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