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     People who want to maintain a healthy weight over time shouldn't worry about their fat intake (摄入), new research shows. The percentage of calories (卡路里) that a person got from fat had nothing to do

with how much weight he/she gained, the research team found.

     The kinds of fat they ate didn't matter either, Dr. Nita Forouhi of the Institute of Metabolic Science,

Addenbrooke's Hospital, Cambridge, UK and her colleagues found. The findings show that it is more

important to aim for a healthy lifestyle including a balanced healthy diet and regular physical activity than

to focus on fat intake alone as a factor (因素) in weight gain.

    Forouhi and her team note the role of dietary fat content in obesity (肥胖) and weight gain is still

controversial

     To investigate, they looked at data on nearly 90,000 men and women from six different countries.

They were followed for up to 10 years.

     Average fat intake ranged from 31.5 percent to 36.5 percent of total calories. On average, people

gained about a quarter of a pound every year. But analyses found no relationship between how much

weight people gained and how much fat they ate.

     The findings shouldn't be seen as showing that people can eat as much fat as they want. Forouhi

said, "That would be absurd, considering so much evidence that already exists on the potential harms of

diets high in fat for heart health for instance."

     In the US, she added, dietary recommendations state that people should maintain a fat intake that is

20 percent to 35 percent of total calories, and eat "healthy" fats from fish, nuts, and vegetable oils instead

of "unhealthy" fats.

1. We can learn from the text that       .

A. fat people usually cannot resist food high in fat

B. people won't gain weight despite eating many calories

C. the kinds of fat have no relationship with calories

D. fat in diets has nothing to do with one's weight gain

2. We can learn from the text that it's most important for an overweight person to       .

A. keep a healthy lifestyle

B. be on a strict diet 

C. eat the right kinds of fat

D. limit the total calories he eats

3. Which of the following does Forouhi most probably agree with?

A. Most fats are healthy.

B. Fewer and fewer people like to take exercise.

C. People should realize the harm of fat.

D. It's hard for fat people to lose weight.

4. We can learn from the last two paragraphs that Dr. Nita Forouhi intends to       .

A. provide more evidence for her research

B. give people some advice

C. compare what she has found with dietary recommendations

D. tell us the kinds of fat