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Researchers have found that when very overweight people, who tend to have relatively low metabolic rates, lose weight primarily through dieting, their metabolisms generally remain unchanged. They will thus burn significantly fewer calories at the new weight than do people whose weight is normally at that level. Such newly thin persons will, therefore, ultimately regain weight until their body size again matches their metabolic rate.
The conclusion of the argument above depends on which of the following assumptions?
(A) Relatively few very overweight people who have dieted down to a new weight tend to continue to consume substantially fewer calories than do people whose normal weight is at that level.
(B) The metabolisms of people who are usually not overweight are much more able to vary than the metabolisms of people who have been very overweight.
(C) The amount of calories that a person usually burns in a day is determined more by the amount that is consumed that day than by the current weight of the individual.
(D) Researchers have not yet determined whether the metabolic rates of formerly very overweight individuals can be accelerated by means of chemical agents.
(E) Because of the constancy of their metabolic rates, people who are at their usual weight normally have as much difficulty gaining weight as they do losing it.
OA: A
虽然感觉A对,但是细想一下挺不严谨的,来吐槽一下GMAC
说一个人越吃越多,按照题的逻辑就是这个人的新陈代谢越来越少。
虽然题说Such newly thin persons will, therefore, ultimately regain weight until their body size again matches their metabolic rate.
我感觉照这个吃法,这个人的增重根本停不下来呀。何来until呀。
而且虽然A给了这种减肥的人又增肥的原因,但没有太联系到新陈代谢。因为没有更好答案了,最后只好选A。。。
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