[单项选择]

Doubtful Ways to Reduce and Increase Your Weight You hear this: "No wonder you are fat. All you ever do is eat. " You feel sad: "I skip my breakfast and supper. I run every morning and evening. What else can I do" Basically you can do nothing. Your genes, not your life habits, determine your weight and your body constantly tries to maintain it. Albert Stunkard of the University of Pennsylvania found from experiments that, "80 percent of the children of two obese (肥胖的) parents become obese, as compared with no more than 14 percent of the offspring of two parents of normal weight. " How can obese people become normal or even thin through dieting Well, dieting can be effective, but the health costs are tremendous. Jules Hirsch, a research physician at Rockefeller University, did a study of eight fat people. They were given a liquid formula providing 600 calories a day. After more than 10 weeks, the subjects lost 45ka on average. But after leaving the ho
A. Your working manner.
B. Your eating habit.
C. Your life style.
D. Your genes.

[单项选择]

Doubtful Ways to Reduce and Increase Your Weight You hear this: "No wonder you are fat. All you ever do is eat. " You feel sad: "I skip my breakfast and supper. I run every morning and evening. What else can I do" Basically you can do nothing. Your genes, not your life habits, determine your weight and your body constantly tries to maintain it. Albert Stunkard of the University of Pennsylvania found from experiments that, "80 percent of the children of two obese (肥胖的) parents become obese, as compared with no more than 14 percent of the offspring of two parents of normal weight. " How can obese people become normal or even thin through dieting Well, dieting can be effective, but the health costs are tremendous. Jules Hirsch, a research physician at Rockefeller University, did a study of eight fat people. They were given a liquid formula providing 600 calories a day. After more than 10 weeks, the subjects lost 45ka on average. But after leaving the ho
A. He let them skip supper.
B. He let them skip breakfast.
C. He let them run every morning and evening.
D. He gave them a liquid formula providing 600 calories a day.

[单项选择]第2篇 Doubtful Ways to Reduce and Increase Your Weight You hear this: "No wonder you are fat. All you ever do is eat. " You feel sad: "I skip my breakfast and supper. I run every morning and evening. What else can I do " Basically you can do nothing. Your genes, not your life habits, determine your weight and your body constantly tries to maintain it. Albert Stunkard of the University of Pennsylvania found from experiments that, "80 percent of the children of two obese (肥胖的) parents become obese, as compared with no more than 14 percent of the offspring of two parents of normal weight. " How can obese people become normal or even thin through dieting Well, dieting can be effective, but the health costs are tremendous. Jules Hirsch, a research physician at Rockefeller University, did a study of eight fat people. They were given a liquid formula providing 600 calories a day. After more than 10 weeks, the subjects lost 45ka on average. But after leaving the hospital, they
A. Your working manner.
B. Your eating habit.
C. Your life style.
D. Your genes.

[单项选择]
You hear this: "No Wonder you are fat. All you ever do is eat. " You feel sad: "I skip my breakfast and supper. I run every morning and evening. What else can I do" Basically you can do nothing. Your genes, not your life habits, determine your weight and your body constantly tries to maintain it.
Albert Stunkard of the University of Pennsylvania found from experiments that, "80 percent of the Children of two obese parents become obese, as compared with no more than 14 percent of the offspring of two parents of normal weight. "
How can obese people become normal or even thin through dieting Well, dieting can be effective, but the health costs are tremendous. Jules Hirsch, a research physician at Rockefeller University, did a study of eight fat people. They were given a liquid formula providing 600 calories (卡路里) a day. After more than 10 weeks, the subjects lost 45 kg on average. But after leavi
A. Your working manner.
B. Your eating habit.
C. Your life style.
D. Your genes.

[单项选择]One of the good ways to find your mistakes in your speaking is to ______. [A] speak as much as possible. [B] write notes or letters. [C] ask some Americans to speak with you.

[填空题]There are mitigative ways to help reduce ______.

[简答题]There are ways to help ecosystems reduce ______ to the climate and landscape change.

[填空题]The most (effect)（）ways of losing weight are exercising more and eating balanced meals.