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I believe very strongly that our overproduction of cheap grain in general, and corn in particular, has a lot to do with the fact
I believe very strongly that our overproduction of cheap grain in general, and corn in particular, has a lot to do with the fact
admin
2010-10-14
48
问题
I believe very strongly that our overproduction of cheap grain in general, and corn in particular, has a lot to do with the fact that three-fifths of Americans are now overweight. The obesity crisis is complicated in some ways, but it’s very simple in another way. Basically, Americans are on average eating 200 more calories a day than they were in the 1970s. If you do that and don’t get correspondingly more exercise, you’re going to get a lot fatter. Many demographers are predicting that this is the first generation of Americans whose life span may be shorter than their parents’. The reason for that is obesity, essentially, and diabetes specifically.
Where do those calories come from? Except for seafood, all our calories come from the farm. Compared with the mid-to-late 1970s, American farms are producing 500 more calories of food a day per American. We’re managing to pack away 200 of them, which is pretty heroic on our part. A lot of the rest is being dumped overseas, or wasted, or burned in our ears.
Overproduction sooner or later leads to overconsumption, because we’re very good at figuring out how to turn surpluses into inexpensive, portable new products. Our cheap, value-added, portable corn commodity is corn sweetener, specifically high-fructose(高糖)com syrup. But we also dispose of overproduction in corn-fed beef, pork, and chicken. And now we’re even teaching salmon to eat corn, because there’s so much of it to get rid of.
There is a powerful industrial logic at work here, the logic of processing. We discovered that corn is this big, fat packet of starch(淀粉)that can be broken down into almost any basic organic molecules and reassembled as sweeteners and many other food additives. Of the 37 ingredients in chicken nuggets, something like 30 are made, directly or indirectly, from corn.
The reason why corn can be processed into other food additives is that ______.
选项
A、it can serve as sweeteners during cooking
B、it contains an unparalleled amount of starch
C、its basic organic molecules can be broken down
D、its chemical composition can be changed and reorganized
答案
D
解析
细节理解。最后一段第2句指出:玉米富含淀粉并可分解成几乎任何基本的有机分子,然后再组合成各种淀粉糖品和许多的食品添加剂,所以选项D)正确。有不少人选C),那是因为他们把淀粉被分解理解成了分子被分解,所以是错误的。
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0
大学英语四级
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