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  3. American Incentive Student of University Economizes a Commissary The once-seen-everywhere cafeteria tray .with so many glass

American Incentive Student of University Economizes a Commissary The once-seen-everywhere cafeteria tray .with so many glass

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问题           American Incentive Student of University Economizes a Commissary
    The once-seen-everywhere cafeteria tray .with so many glasses of soda, juice and milk lined up across the fop, could soon join the typewriter as a campus relic. Scores of colleges and universities across the country are shelving the trays in hopes of conserving water, cutting food waste and saving money. Some even believe trayless cafeterias could help avoid the dreaded "freshman 15" the number of pounds supposedly gained in the first year on campus.
    The Sustainable Endowments Institute, a research organization that tracks environmental practices at the 300 colleges and universities with the largest endowments, said that 126 of them had reduced use of trays, some of them getting rid of trays only in certain dining halls,and some introducing,for example, "trayless Tuesdays". Such moves are often part of a larger push to embrace environmental ism that includes hiring susta-inability coordinators, introducing solar panels, disposing dining-hall waste and encouraging students to turn off lights with attractive sayings.
    Joseph H. Spina, executive director of the National Association of College and University Food Services, described trayless dining as "sort of the hot thing right now", officials said their decision to go trayless was mainly about atmosphere, though they welcomed any ecological benefit. But while the environ-mental benefits are real, going trayless is not a cure-all. At Skidmore.the all-you-can-eat format and multiple food stations, featuring vegetables, Italian and classic comfort foods, encourage students to look around,taking a bit of this and a little of that. But this system also leads to overcrowded dining halls as diners return to the lines for seconds.
    As part of her senior honors thesis,Sarah Whateley, an environmental studies major, conducted a research project to demonstrate how much food was still wasted in the dining hall. She asked students to put their leftovers into plastic bins over two days, yielding 330 pounds of food on a Sunday and 403 pounds on a Monday. The food services staff then illustrated that quantity by stacking the equivalent weight in boxes of rice in the entrance of the dining hall.
    Dr. Spina, of the college food service association, cited another benefit: " You eventually have to learn how to hold your hors d’oeuvre and cocktail in one hand while
making conversation with the other. So it’s a life lesson."
What does the word "relic" (Line 4, Para. 1) mean?
选项 A、Belongings kept by others.
B、Traces left behind.
C、Popular and necessary items.
D、Symbols and special features.
答案B
解析 语义理解题。由题干中的relic定位到第一段第一句。在本句中，作者把食堂的托盘和打字机放在一起。我们可知，在现在这个电脑时代，已经没有人使用打字机了，可见托盘会和打字机一样变成大学生活的一种遗迹。所以[B]“留下的痕迹”为正确答案。[A]“由他人保管的财物”、[C]“流行和必须的东西”和[D]“特征和象征符号”与原文意思不符，故排除。
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