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  3. Holding on to the belief that children will shed their "baby fat" as they get older may allow the childhood obesity epidemic las

Holding on to the belief that children will shed their "baby fat" as they get older may allow the childhood obesity epidemic las

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问题     Holding on to the belief that children will shed their "baby fat" as they get older may allow the childhood obesity epidemic last forever, and laying a foundation for obesity later in life among overweight kids. According to 2006 data from the Centers for Disease Control, 16% of American children were obese, and 32% overweight, with a growing proportion of overweight and obese children under age four. It is critical to identify the "tipping point" between baby fat and obesity risk, according to research from Eastern Virginia Medical School and Children’s Hospital of The King’s Daughters. In a study of 111 overweight patients between the ages of 2 and 20, researchers analyzed the patterns of children’s weight gain to determine at what age intervention to prevent obesity is most useful. Their conclusions: some children were on the road to obesity as early as three months, meaning that doctors need to discuss unhealthy weight gain with parents as early as their child’s infancy, but certainly no later than age two.
    The children included in the study all had a body mass index (BMI) higher than 85% of the rest of their age group—the definition for overweight—and, according to their medical records, on average most had begun gaining excess weight as early as three months old. As they got older, the increasing accumulation of excess weight caught up with them, with more than half of children becoming overweight by age two, and 90% becoming overweight by age five.
    The findings, the researchers stress, indicate the need for pediatricians (儿科医生) to address weight gain during routine check-ups as children grow, and to equip parents with the information they need to ensure that their children aren’t on course for obesity in childhood or later. The key, the researchers write in the study, is prevention: "Older identified overweight children arise from excessive weight gain in infancy," a finding which means that, "future research should investigate prevention and treatment strategies to mitigate (减轻) excessive weight gain at this early stage."
The children studied are different from their counterparts in that______.
选项 A、they have a body mass index 85% higher
B、they gain weight as early as three months old
C、they become overweight at age two
D、their body mass index is higher than most of their age group
答案D
解析 事实细节题。原文说被研究的孩子比其他85％的同龄人拥有较高的身体质量指数，故答案为D)“他们的身体质量指数比大部分同龄人高”。
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大学英语四级

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