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  3. Just when you had figured out how to manage fat in your diet, researchers are now warning against another common mealtime pitfal

Just when you had figured out how to manage fat in your diet, researchers are now warning against another common mealtime pitfal

admin2017-05-31  20
问题     Just when you had figured out how to manage fat in your diet, researchers are now warning against another common mealtime pitfall (陷阱)—salt.
    A study by researchers at the University of California, San Francisco (UCSF), Stanford University and Columbia University shows that even a【C1】______ decrease in daily salt intake (摄入) can lead to dramatic health benefits. The authors【C2】______ an annual drop of as many as 120,000 cases of heart disease, 66,000【C3】______ of stroke and 99,000 heart attacks【C4】______ by high blood pressure after a 3-g-per-day reduction in salt.
    The advantages, not surprisingly, were greater for African Americans, who are more likely to【C5】______ high blood pressure than other ethnic groups, and for the elderly, since blood vessels stiffen with age, which can lead to higher blood pressure.
    "Everyone in the U. S. is consuming salt far in【C6】______ of what is good for them," says lead author Dr. Kirsten Bibbins Domingo of UCSF. " What we are suggesting is that a population wide effort to reduce salt intake, even【C7】______ , will have health benefits. "
    The team conducted a computer-based analysis to determine the【C8】______ of a 3-g-per-day reduction in salt intake on rates of heart disease and death. They also calculated the cost savings emerging from the amount of disease that would be【C9】______ because of lower blood pressure.
The conclusion: by cutting salt intake nationwide, the U. S. could save $ 10 billion to $ 24 billion
【C10】______ in health care costs.
[A] accidents [B] annually
[C] avoided [D] caused
[E] considerable [F] develop
[G] documented [H] dramatically
[I] excess [J] impact
[K] instances [L] modest
[M] revised [N] slightly [O] undertake
【C4】
选项
答案D
解析 此处需要填入过去分词作后置定语，因为心肌梗塞(heart attacks)是由于高血压引起的，分词和它做修饰的名词短语是被动关系，所以填入过去分词表被动，根据句意进一步推断，该处填入caused。
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