2. 外语
  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 does the author say about the cause of obesity?
选项 A、It concerns many social fields.
B、It is a complicated social problem.
C、It challenges people’s quality of life.
D、It is a disease of the will.
答案A
解析 推理判断题。由定位句可知，肥胖的原因并不单一，而是多方面的。它涉及饮食及运动的教育和社会规范。由此可知，肥胖问题涉及多个社会领域，故答案为A)。B)“这是一个复杂的社会问题”，题干问的是肥胖的原因，与肥胖是社会问题这一性质无关，故排除；C)“它挑战人们的生活质量”，第一段第二句提到肥胖降低了人们的生活质量，指出肥胖带来的影响，与肥胖的起因无关，故排除；D)“这是一种意志性疾病”，第四段第一句主张对认为肥胖只是“意志性疾病”之类的问题提出质疑，涉及肥胖问题的性质，故排除。
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