دانش آموزان عزیز سلام
من فرشید کامرانی فارغ التحصیل مهندسی برق دانشگاه صنعتی شریف هستم. |  |
در ادامه مطالب زبان انگلیسیمون که قراره به ارتقاء سطح زبان شما کمک کنه، امروز سراغ بخش ریدینگ میریم.
این مطلب، نوزدهمین مطلب از مجموعه ریدینگ های تک سوالی است که برای شما آماده کردم.
برای این که مهارت درک مطلب شما قویتر بشه شما باید متن زیاد بخونید و قطعا همه ی لغات متن ها رو بلد نیستید اما با توجه به معنی سایر لغات و جملات میتوانید معنی کلمات را حدس بزنید. با خواندن متن های زیاد کم کم متوجه میشوید که حتی متن هایی که شاید خیلی از لغات آن را ندانید را بهتر درک میکنید. پس تمرین و تکرار را فراموش نکنید.
متن امروز را بخوانید و به سوال آن پاسخ بدهید. هر لغتی را متوجه نشدید سرچ کنید و در صورت نیاز در یک دفترچه یادداشت کنید و هر چند روز یکبار آن را مرور نمایید.
Metabolism and Body Weight
Our body weight is affected by a number of factors, including gene-environment interactions, and the number of calories we consume versus the number of calories we burn in daily activity. If our caloric intake exceeds our caloric use, our bodies store excess energy in the form of fat. If we consume fewer calories than we burn off, then stored fat will be converted to energy. Our energy expenditure is obviously affected by our levels of activity, but our body’s metabolic rate also comes into play. A person’s metabolic rate is the amount of energy that is expended in a given period of time, and there is tremendous individual variability in our metabolic rates. People with high rates of metabolism are able to burn off calories more easily than those with lower rates of Metabolism. j
We all experience fluctuations in our weight from time to time, but generally, most people’s weights fluctuate within a narrow margin, in the absence of extreme changes in diet and/or physical activity. This observation led some to propose a set-point theory of body weight regulation. The set-point theory asserts that each individual has an ideal body weight, or set-point, which is resistant to change. This set-point is genetically predetermined and efforts to move our weight significantly from the set-point are resisted by compensatory changes in energy intake and/or expenditure. j
Some of the predictions generated from this particular theory have not received empirical support. For example, there are no changes in metabolic rate between individuals who had recently lost significant amounts of weight and a control group. In addition, the set-point theory fails to account for the influence of social and environmental factors in the regulation of body weight. Despite these limitations, set-point theory is still often used as a simple, intuitive explanation of how body weight is regulated. j
Q. Which of the following best expresses the essential information in the highlighted sentence in paragraph 2? Incorrect choices change the meaning in important ways or leave out essential information. j
a. We can gain a little or a lot of weight based on our diet and exercise
b. It’s normal to experience minor changes in weight without seriously altering one’s diet or exercise
c. Our weight mostly fluctuates within a limited and consistent range
d. Humans generally experience extreme fluctuations in weight from time to time
منبع: TST Prep - Reading Practice Questions
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