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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

admin2013-08-23  81
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
【S2】
选项
答案G
解析 空格前面是The authors，后面为名词短语an annual drop，由此可知，空格处缺少一个谓语，同时根据上下文含义可推知是在叙述已经发生的行为，因此空格处需要填入动词的过去式。由空格前的主语“研究者”与空格后的宾语“一系列的数据”之间的关系可推知，documented“记录”含义与此相符，故为答案。
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大学英语四级

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