文章大意：这是一篇说明文。文章主要讲述在过去的50年里，美国儿童肥胖率增加了两倍，美国儿科学会提出的建议难以实现，研究表明多运动有助于身心健康，因此需要投资更多、更安全的地方，让孩子们玩耍运动，文章还分析了孩子运动量减少的原因。
10 . The rate of childhood obesity in the U. S. has tripled over the past 50 years. The American Academy of Pediatrics (AAP) made waves this year by recommending that doctors put obese kids as young as two years old on intensive, family-oriented lifestyle and behavior plans. It also suggested prescribing weight-loss drugs to children l2 and older and surgery to teens 13 and older. This advice reflects the organization’s adoption of a more active position on childhood obesity.
Yet the lifestyle programs the AAP recommends are expensive, inaccessible to most children and hard to maintain. Few weight-loss drugs have been approved for children. And surgery has potential risks and few long-term safety data. Furthermore, it’s not clear whether interventions in youngsters help to improve health or merely add to the psychological burden overweight kids face from the society.
Rather than paying close attention to numbers on a scale, the U. S. and countries with similar trends should focus on an underlying truth: we need to invest in more and safer places for children to play where they can move and run around, climb and jump, ride and skate.
Why is it so hard to get kids moving? Experts blame the problem on the privatization of sports — as public investment in school-based athletics dwindles, expensive private leagues have grown, leaving many kids out. In addition to fewer opportunities at school, researchers cite increased screen time and a lack of safe places for them to play outside the home. New York City, for example, had 2,067 public playgrounds as of 2019 — a very small amount for its large population. In Los Angeles in 2015, only 33 percent of youths lived within walking distance of a park.
Kids everywhere need more places to play. Public funding to build and keep up these areas is crucial, but other options such as shared-use agreements can make unused spaces available to the public. These opportunities aren’t primarily about changing children’s waistlines — they’re how we keep childhood healthy and fun.
1. What can we learn from the first two paragraphs?
| A．Childhood obesity is well under control in recent years. |
| B．Weight-loss surgery are recommended to children 12 and older. |
| C．AAP plays a more active role in fighting against childhood obesity. |
| D．Expensive as it is, lifestyle programs are practical for most children. |
2. The underlined word “dwindle” is closest in meaning to ______.
| A．decline | B．quit | C．increase | D．develop |
3. In the author’s opinion, what measures should be taken to create more safe areas?
| A．Prepare fitness equipment at home. |
| B．Live within walking distance of a park. |
| C．Promote investment in private athletics. |
| D．Open up playgrounds when school’s out. |
4. What’s the main idea of the text?
| A．Sports play an important role in children’s growth. |
| B．More safe areas for outdoor fun are in urgent need. |
| C．Family-oriented lifestyles are crucial to children’s health. |
| D．Medical intervention is important to ease psychological burden. |
