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  3. Obesity is the single greatest cause of early deaths after smoking. It results in more years of unhealthy life, diminishing the

Obesity is the single greatest cause of early deaths after smoking. It results in more years of unhealthy life, diminishing the

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问题    Obesity is the single greatest cause of early deaths after smoking. It results in more years of unhealthy life, diminishing the quality of life. It also increases many physical and mental health issues, from heart disease to diabetes (糖尿病) to cancer and depression.
   Recently, childhood obesity has become the greatest cause for concern. For children in year six obesity rates have increased at a significant pace—around 5% a year for the past decade—so that now one in three children are obese by the time they leave primary school. The rate of childhood mental illness is accelerating and is both a cause and a symptom of the obesity crisis.
   Obesity is one of the most complex public health challenges that we face. It does not have a single cause. The reasons for it are wide-ranging. But above all, it is a social challenge. It is about education and social norms for eating and exercise. It is about how food companies formulate their products, how they are labelled and advertised, and how they are priced and displayed in shops. Work and school play a crucial role: more and more jobs are sedentary (久坐的) and kids are less and less likely to expend energy playing outdoors. The quality of our public spaces and transport systems makes an important difference too.
   We argue for fresh thinking to challenge the assumption that issues like obesity are a " disease of the will" and to encourage more support for people to make healthier choices. Local authorities should be given new powers to stop fast-food outlets opening near schools, to prevent them from selling high-calorie products to schoolchildren, and to ban junk food advertising near the school gates.
   We must remember that unhealthy behaviour today is costly tomorrow. Now is the time for more action and more investment—the quality and length of our children’s lives depend on it.
What happens to children when they finish primary school?
选项 A、Childhood mental illness increases.
B、Their life quality declines.
C、More than 30% of children are obese.
D、More children suffer from heart disease.
答案C
解析 事实细节题。由定位句可知，在过去十年中，六岁儿童的肥胖率一直在快速增长，到现在，小学毕业的儿童已有三分之一是肥胖的，故答案为C)。A)“儿童期精神疾病有所增加”，第二段第三句指出儿童精神疾病是肥胖危机的原因和症状之一，但并未指出其与小学毕业的儿童之间有何联系，故排除；B)“他们的生活质量有所下降”，第一段第二句提到肥胖会降低人们的生活质量，但并未特别指出其会降低小学毕业儿童的生活质量，故排除该项；D)“更多儿童得心脏病”，第一段第三句提到肥胖增加了许多身心健康问题，其中涉及心脏病，但并未指出小学毕业儿童得心脏病更多，故排除。
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