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

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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), Standford University and Columbia University shows that even a【S1】______ decrease in daily salt intake(摄入)can lead to dramatic health benefits. The authors【S2】______ an annual drop of as many as 120,000 cases of heart disease, 66,000【S3】______ of stroke and 99,000 heart attacks【S4】______ 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【S5】______ 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【S6】______ 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【S7】______ , will have health benefits. "
    The team conducted a computer-based analysis to determine the【S8】______ 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【S9】______ because of lower blood pressure. The conclusion: by cutting salt intake nationwide, the U. S. could save $ 10 billion to $ 24 billion【S10】______ in health care costs.
A)accidents I)excess
B)annually J)impact
C)avoided K)instances
D)caused L)modest
E)considerable M)revised
F)develop N)slightly
G)documented O)undertake
H)dramatically
【S7】

选项

答案N

解析 通过分析句子结构可知,空格处修饰上文的动词reduce,因此应该填入一个副词。由空格前的even和reduce的宾语salt intake可推知slightly“轻微地”含义与之相符,故为答案。
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