What’s the percentage that 15%of the U.S.adults h
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What’s the percentage that 15%of the U.S.adults had a risk of developing heart disease in the next 1 0 years?
A. About 3%.
B. Less than 10%.
C. Between10%～20%.
D. Above 20%.
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答案：C
由文中原句“15 percent had a risk that fell between 10 to 20 percent”可知，15％的成年人未来十年内患心脏病的风险介于10%～20%，故选C。注意文中的几个百分数不要弄混淆了