This did not mean that people are completely without "hope in controlling their weight. It means that those who tend to be fat will have to constantly battle their genetic inheritance if they want to significantly lower their weight. The findings also provide evidence for something scientists thought was true - each person has a comfortable weight range. The range might be as much as 9kg. Someone might weigh 60-69kg without too much effort. But going above or below the natural weight range is difficult. The body resists by feeling hungry or full and changing the metabolism to pusb the weight back to the range it seeks.

　　36. The first paragraph tells us that our weight is determinede by __________.

　　A. Our eating habit

　　B. Our life style

　　C. Our work habit

　　D. Our genes

　　37. In Jules Hirsch's study, the subjects __________.

　　A. showed no health problem

　　B. gained weight rapidly

　　C. were all very short

　　D. lived only on liquid food

　　38. After leaving the hospital, the eight fat people __________.

　　A. attempted suicide

　　B. were back to normal weight

　　C. went mad

　　D. followed the advice of Hirsch's

　　39. In Ethan Sims study, the subjects were asked to__________.

　　A. stay in prison

　　B. eat as much as they could

　　C. battle their genetic inheritance

　　D. lower their weight

　　40. Which of the following statements is true?

　　A. Each person wants to eat to his heart's content.

　　B. Each. person has a weight range of 9kg.

　　C. Each person has a natural weight range.

　　D. Each person wants to control his weight.

　　第3篇

　　Food for Learning

　　In Eritrea, a small country in northeast Africa, approximately 80 percent of the population is illiterate. That percentage is even higher in woman. As in m