2. 外语
  3. What does the hamburger say about our modern food economy? A lot, actually. Over the past several years Waldo Jaquith intended t

What does the hamburger say about our modern food economy? A lot, actually. Over the past several years Waldo Jaquith intended t

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问题     What does the hamburger say about our modern food economy? A lot, actually. Over the past several years Waldo Jaquith intended to make a hamburger from scratch, to no avail. "Further (1)_____ revealed that it’s quite impractical— (2)_____ impossible—to make a hamburger from scratch," he writes. "Tomatoes are in season in the late summer. Lettuce is in season in spring and fall. Large mammals are(3)_____ in early winter. The process of making(4)_____ burger would take nearly a year and would inherently involve omitting some core hamburger(5)_____."
    That the hamburger—our delicious and comforting everyman food—didn’t(6)_____ 100 years ago is a greasy, shiny example of all that is both right (7)_____ wrong with our modern food economy. (8)_____fertilizers, genetically modified crops, concentrated farming operations and global overnight shipping, much of the world was lifted out of starvation(9)_____ it could finally grow(10)_____ quantities of food with decreasing labor(11)_____.
    But these same advances(12)_____ allow food to be grown out of(13)_____ and in all corners of the globe contribute to a whole host of environmental(14)_____. The "industrialization of food," as author Paul Roberts puts it, is an endless cycle driven by very small price(15)_____ that force food processors to(16)_____ more advanced techniques to produce even more food(17)_____ lower prices. This system will only be aggravated as food demand(18)_____. Recently David Tilman and Jason Hill of the University of Minnesota released a study(19)_____ that global food demand could double by 2050. It’s(20)_____ that our current, impractical food economy can sustain that demand.
(6)
选项 A、occur
B、exist
C、survive
D、maintain
答案B
解析 空格处于主语从句中，需填入谓语动词。主语为hamburger，由100 years ago可推测汉堡包在100年前还不“存在”，因此exist正确。occur“发生”；survive“生存”；maintain“维持”。
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