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 can we learn about Sarah Whateley’s research project?

选项 A、It is carried only among senior students in colleges.
B、People eat more and waste less on Sundays.
C、It turns out that food is still greatly wasted.
D、The food wasted is worth the same amount of rice.

答案C

解析 事实细节题。由题干中的Sarah Whateley’s research project定位到第四段第一句:Sarah做研究的目的就是为了要证明大学食堂食物浪费现象严重,而且,她的实验数字也说明每天仅在一所大学里,就有几百磅的食品被白白浪费掉了。所以[C]“证明食品浪费惊人"为正确答案。Sarah本人是大四的学生,但实验并不是只针对大四学生。所以排除[A];两天的数字的确不一样,但实验仅进行了两天,没有足够的证据证明[B]“人们周日吃得多,浪费得少”,故排除;第四段第二句说食堂工作人员把同样重量的大米摆在食堂门口,是为了证明被浪费掉的食物的重量,而不是说两者价值相同,故排除[D]。
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