题目内容
In the United States, 30% of the adult population has a “weight problem”. To many people, the cause is obvious（明显的）: they eat too much. But scientific evidence does little to support this idea. Going back to the America of the 1910s, we find that people were thinner than today, yet they ate more food. In those days people worked harder physically（体力上）, walked more, used machines much less and didn’t watch television.
Several modern studies, moreover, have shown that fatter people do not eat more on the average than thinner people. In fact, some investigations（调查）, such as the 1979 study of 3,545 London office workers, report that, on balance, fat people eat less than slimmer people.
Studies show that slim people are more active than fat people. A study by a research group at Stanford University School of Medicine found the following interesting facts:
The more the men ran, the more body fat they lost
The more they ran, the greater amount of food they ate.
Thus, those who ran the most ate the most, yet lost the greatest amount of body fat.
1.The physical problem that many adult Americans have is that ______.
A. they are too slim B. they work too hard
C. they are too fat D. they lose too much body fat
2. According to the article, given 500 adult Americans, ______ people will have a “weight problem”.
A. 30 B.50 C. 100 D. 150
3. Is there any scientific evidence to support that eating too much is the cause of a “weight problem”?
A. Yes, there is plenty of evidence.
B. Of course, there is some evidence to show this is true.
C. There is hardly any scientific evidence to support this.
D. We don’t know because the information is not given.
4.In comparison with the adult American population today, the Americans of the 1910s ______.
A. ate more food and had more physical activities
B. ate less food but had more activities
C. ate less food and had less physical exercise
D. had more weight problems
5.Modern scientific researches have reported to us that ______.
A. fat people eat less food and are less active
B. fat people eat more food than slim people and are more active
C. fat people eat more food than slim people but are less active
D. thin people run less, but have greater increase in food intake
CDCAA
【解析】略
Even a small reduction in salt in the diet can be a big help to the heart. A new study used a computer model to predict how just three grams less a day would affect heart disease in the United States.
The result：10％ fewer heart attacks. 8％ fewer strokes. 4％ fewer deaths. 11％ fewer new cases of heart disease. And 240 billion dollars in health care savings.
Researchers found it could prevent 10，000 heart attacks and 9。200 deaths every year.
The study is in the New England Journal of Medicine. Kirsten Bibbins-Domingo at the University of California San Francisco was the lead author. She says people would not even notice a difference in taste with three grams， or one-half teaspoon，less salt per day. The team also included researchers at Stanford and Columbia Uni versity.
Each gram of salt contains four hundred milligrams of sodium（钠），which is how foods may list their salt content.
The government says the average American man eats ten grams of salt a day. The American Heart Association advises no more than three grams for healthy people. It says salt in the American diet has increased fifty percent since the nineteen seventies， while blood pressures have also risen. Less salt can mean a lower blood pressure.
New York City Mayor Michael Bloomberg is leading an effort called the National Salt Reduction Initiative. The idea is to put pressure on food companies and restaurants. Critics call it government interference.
Mayor Bloomberg has already succeeded in other areas， like requiring fast food places in the city to list calorie information. Now a study by the Seattle Children’s Research Institute shows that the calorie information on the menu can influence what parents order for their children.
【小题1】We can tell from the passage that now heart attacks occur in the US every year.
| A．240，000 | B．900，000 | C．100，000 | D．92，000 |
| A．all the heart diseases result from eating too much salt |
| B．the American Heart Association suggests less than 3 grams of salt a day for everyone |
| C．Americans ate no more than 5 grams of salt per day in the 1970s |
| D．the less salt one eats， the healthier he will be |
| A．Bloomberg has made some other efforts to improve people’s health |
| B．Bloomberg is very successful in his career |
| C．parents must pay great attention to calorie information |
| D．a new study is being done about calorie information |
Even a small reduction in salt in the diet can be a big help to the heart. A new study used a computer model to predict how just three grams less a day would affect heart disease in the United States.
The result：10％ fewer heart attacks. 8％ fewer strokes. 4％ fewer deaths. 11％ fewer new cases of heart disease. And 240 billion dollars in health care savings.
Researchers found it could prevent 10，000 heart attacks and 9。200 deaths every year.
The study is in the New England Journal of Medicine. Kirsten Bibbins-Domingo at the University of California San Francisco was the lead author. She says people would not even notice a difference in taste with three grams， or one-half teaspoon，less salt per day. The team also included researchers at Stanford and Columbia Uni versity.
Each gram of salt contains four hundred milligrams of sodium（钠），which is how foods may list their salt content.
The government says the average American man eats ten grams of salt a day. The American Heart Association advises no more than three grams for healthy people. It says salt in the American diet has increased fifty percent since the nineteen seventies， while blood pressures have also risen. Less salt can mean a lower blood pressure.
New York City Mayor Michael Bloomberg is leading an effort called the National Salt Reduction Initiative. The idea is to put pressure on food companies and restaurants. Critics call it government interference.
Mayor Bloomberg has already succeeded in other areas， like requiring fast food places in the city to list calorie information. Now a study by the Seattle Children’s Research Institute shows that the calorie information on the menu can influence what parents order for their children.
1.We can tell from the passage that now heart attacks occur in the US every year.
|
A．240，000 |
B．900，000 |
C．100，000 |
D．92，000 |
2.It can be inferred from the passage that .
|
A．all the heart diseases result from eating too much salt |
|
B．the American Heart Association suggests less than 3 grams of salt a day for everyone |
|
C．Americans ate no more than 5 grams of salt per day in the 1970s |
|
D．the less salt one eats， the healthier he will be |
3.The last paragraph mainly tells us .
|
A．Bloomberg has made some other efforts to improve people’s health |
|
B．Bloomberg is very successful in his career |
|
C．parents must pay great attention to calorie information |
|
D．a new study is being done about calorie information |