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标题: prep1上的题求高人解答~ [打印本页]

作者: mudiduange 时间: 2012-8-21 06:58 标题: prep1上的题求高人解答~

17.

At present the Hollywood Restaurant has only standard-height tables.However, many customers come to watch the celebrities who frequent the Hollywood, and they would prefer tall tables with stools because such seating would afford a better view of the celebrities.Moreover, diners seated on stools typically do not stay as long as diners seated at standard-height tables.Therefore, if the Hollywood replaced some of its seating with high tables and stools, its profits would increase.

The argument is vulnerable to criticism on the grounds that it gives reason to believe that it is likely that

(A) some celebrities come to the Hollywood to be seen, and so might choose to sit at the tall tables if they were available

(B) the price of meals ordered by celebrities dining at the Hollywood compensates for the longer time, if any, they spend lingering over their meals

(C) a customer of the Hollywood who would choose to sit at a tall table would be an exception to the generalization about lingering

(D) a restaurant's customers who spend less time at their meals typically order less expensive meals than those who remain at their meals longer

(E) with enough tall tables to accommodate all the Hollywood's customers interested in such seating, there would be no view except of other tall tables

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
求翻译和解释~~

作者: annazyan 时间: 2012-8-21 20:59

胖人瘦下来以后，比同样的人要消耗更少的卡路里，所以他们会再胖起来。
比别人消耗的少就一定比别人胖吗，我也以少吃啊，a说本来消耗的就少，还

不少吃，算是排除它因

作者: yorku 时间: 2012-8-22 06:33

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.
Premise: 调查员发现超重的人一般都有相对较低的新陈代谢率所以他们减肥主要是通过节食而代谢率不变
Middle-conclusion: 他们就比同样体重的人每天消耗的卡路里少。
Conclusion: 这些减肥成功的人最终会再长胖
答案 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.
一个人每天的增重 = 摄入的diet - 新城代谢率*24小时
A答案说减肥成功的人不会又和以前一样节食，恢复正常了，当然还会再长胖

作者: hz032478 时间: 2012-8-22 21:26

可是减肥成功的人现在已经瘦了，那么代谢率也应该提高了才对。。为什么代谢率还是像以前那样呢~~~

作者: Charlotte0512 时间: 2012-8-23 06:21

看题目 when very overweight people, who tend to have relatively low metabolic rates, lose weight primarily through dieting, their metabolisms generally remain unchanged 前提就说了，胖子减肥了，姓陈代谢率不变

作者: Charlotte0512 时间: 2012-8-23 06:22

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.前一句的premise说，减肥的胖子消耗的卡路里比普通正常人消耗的卡路里少。所以，好不容易瘦下来的胖子最终会胖回去。这里就有一个gap, 胖子消耗的卡路里小——胖子会又胖回去。如果胖子每天一如既往吃很少，尽管他消耗的卡路里少，他也会保持减肥后瘦下去的那个体型。但是，如果他消耗的卡里少，但他看自己瘦了，又恢复了之前的大吃特吃，本来消耗卡鲁的能力就弱，再加上又可劲吃，肯定就会胖回去。

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