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2. Very few people s________ in losing weight and keeping it off.
3. It wouldn't do you any h________ to get some experience first.
4. He showed no m_______ to his enemies.
5. Your mistake resulted in heavy l_______.
6. Dave didn't r_______ to any of her emails, which made her angry.
7. It is a rule that our baggage should be i_______ by customs officers (海关人员).
8. I am busy, so I have to e_______ a housekeeper to look after my children.
Scientists have confirmed that the majority of overweight people who try to lose weight either by cutting calories or exercising will return to their former size．Fewer than 10 percent of the l2 million British people who go on a diet each year succeed in losing significant amounts of weight and most of those who do put it all back on again within a year．
The study of 25，000 people provides further evidence of the popularity of‘yo-yo dieting’where slimmers get into a cycle of losing weight and regaining it．The scientists，from the Medical Research Council’s National Survey of Health and Development，have concluded it is better to avoid getting fat in the first place．They followed 5，362 men and women from their birth in l946 and 20，000 from birth in l958，measuring their weight and blood pressure and assessing their lifestyles．The researchers found both groups began gaining weight in the 1980s and have steadily increased in size ever since．
Dr Rebecca Hardy，the council’s programme leader on body size，said：“0nce people become, overweight，they continue extremely upwards．They hardly ever go back down．A(印刷不清两个单词) weight but very few get back to normal。The best policy is to prevent people becoming overweight．For men weight goes up steadily through life。For women it starts slowly and accelerates in the mid-thirties．”
But the study's findings do not mean dieting is pointless，as eating less and taking more exercise can increase fitness and lower blood pressure．In 2009，a quarter of adults and l4 percent of children were obese(过度肥胖的)，according to the Department of Health’s latest Health Survey for England．Although previous research has shown one in four Britons is trying to lose weight at any one time，it has been predicted that 60 percent of us will be obese by 2050，leading to even more cases of diabetes(糖尿病)，heart disease and cancer．Experts said we are programmed to put on weight rather than lose it．Dieting can make this tendency worse as decreasing calorie intake causes the body to go into starvation mode and reduce the amount of energy it naturally expends，making it even harder to lose weight．Commenting on the study，Professor Nick Finer from London Hospital，said：“It is unlikely that man would have progressed with mechanisms to fight against obesity which has only become a problem in the last 30～40 years．For most of human history，storing fat would have been an advantage．”
47．According to Dr Rebecca Hardy，which of the following is TRUE?
A．It is easier for men to lose weight than women．
B．Once people lose weight，they never put on weight again．
C．Never to become fat is the best way of keeping a good shape．
D．The fact that fat people keep their weight upwards is unusual．
48．The author says “the study’s findings do not mean dieting is pointless” because ．
A．the study lacks believable facts
B．obese people are confident in losing weight
C．dieting can really make a few people lose weight
D．dieting and sports help to keep people free from some diseases
49．From the last paragraph，we can learn that ．
A．decreasing calorie intake makes it even harder to lose weight
B．the idea that people lose weight with mechanisms is practical
C．being overweight is a lasting problem through the human history
D．by 2050 more and more people will have got unfit because of losing weight
50．Which of the following can serve as the best title of the passage?
A．Which is better：cutting calories or exercisin97
B．Fat people can’t really keep the weight off
C．A new study on people’s health
D．How to go on a healthy diet
查看习题详情和答案>>Unfortunately, that message has not gotten through to the average American, who would rather try switching
to "light" beer and low-calorie bread than increase physical exertion (体能). The Centers for Disease Control,
for example, found that fewer than one-fourth of overweight adults who were trying to remove pounds said
they were combining exercise with their diet.
In rejecting exercise, some people may be discouraged too much by caloric-expenditure (卡路里的消耗)
charts; for example, one would have to actively walk three miles just to work off the 275 calories in one
delicious Danish pastry (小甜饼). Even exercise professionals admit half a point here. "Exercise by itself is a
very tough way to lose weight," says York Onnen, program director of the President' s Council on Physical
Fitness and Sports.
Still, exercisers supporting role in weight reduction is important. A study at the Boston University Medical
Center of overweight police officers and other public employees confirmed (证实) that those who dieted
without exercise regained almost all their old weight, while those who worked exercise into their daily routine
(常规)maintained their new weight.
If you have been sedentary (极少活动的) and decide to start walking one mile a day, the added exercise
could burn an extra 100 calories daily. In a year's time, supposing no increase in food intake, you could lose
ten pounds. By increasing the distance of your walks gradually and making other dietary adjustments, you may
lose even more weight.
B. They prefer"light" beer and low calorie bread to other drinks and food.
C. They know the factors that play a positive role in keeping down body weight.
D. They tend to overemphasize the healthful effect of"light" beer.
B. they don't think it possible to walk 3 miles every day
C. they think it is physically exhausting
D. they find consulting caloric-expenditure charts troublesome
B. Even occasional exercise can help reduce weight.
C. Controlling one's calorie intake is more important than doing exercise.
D. One could lose ten pounds in a year's time if there's no increase in food intake.
B. To support the statement made by York Onex.
C. To show the most effective way to lose weight.
D. To introduce the study of the Boston University Medical Center.
Exercise is one of the few factors with a positive role in long term maintenance of body weight. Unfortunately, that message has not gotten through to the average American, who would rather try switching to “light” beer and low - calorie bread than increase physical exertion. The Centers for Disease Control, for example, found that fewer than one - fourth of overweight adults who were trying to shed pounds said they were combining exercise with their diet.
In rejecting exercise, some people may be discouraged too much by caloric - expenditure charts; for example, one would have to briskly(兴致勃勃地) walk three miles just to work off the 275 calories in one delicious Danish pastry (小甜饼). Even exercise professionals concede（承认） half a point here. “Exercise by itself is a very tough way to lose weight,” says York Onnen, program director of the President’s Council on Physical Fitness and Sports.
Still, exercise’s supporting role in weight reduction is vital. A study at the
If you have been sedentary (极少活动的) and decide to start walking one mile a day, the added exercise could burn an extra 100 calories daily. In a year’s time, assuming no increase in food intake, you could lose ten pounds. By increasing the distance of your walks gradually and making other dietary adjustments, you may lose even more weight.
71．What is said about the average American in the passage?
A．They tend to exaggerate（夸张）the healthful effect of “light” beer.
B．They usually ignore the effect of exercise on losing weight.
C．They prefer “light” beer and low-calorie bread to other drinks and food.
D．They know the factors that play a positive role in keeping down body weight.
72．Some people dislike exercise because ________.
A．they think it is physically exhausting
B．they find it hard to exercise while on a diet
C．they don’t think it possible to walk 3 miles every day
D．they find consulting caloric-expenditure charts troublesome
73．“Even exercise professionals concede half a point here” (Line 3, Para. 2) means “They ________”.
A．agree that the calories in a small piece of pastry can be difficult to work off by exercise
B．partially believe diet plays a supporting role in weight reduction
C．are not fully convinced that dieting can help maintain one’s new weight
D．are not adequately informed of the positive role of exercise in losing weight
74．What was confirmed by the Boston University Medical Center’s study?
A．Controlling one’s calorie intake is more important than doing exercise.
B．Even occasional exercise can help reduce weight.
C．Weight reduction is impossible without exercise.
D．One could lose ten pounds in a year’s time if there’s no increase in food intake.
75．What is the author’s purpose in writing this article?
A．To justify the study of the
B．To stress the importance of maintaining proper weight.
C．To support the statement made by York Onnen.
D．To show the most effective way to lose weight.
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