Doctors are starting to find more and more information that suggests a connection between exercise and brain development. Accord

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问题     Doctors are starting to find more and more information that suggests a connection between exercise and brain development. According to some researches, it seems that exercise can make blood vessels, including those in the brain, stronger and more fully developed. The effects of exercise on brain development can even be seen in babies.(72)Babies who do activities that require a lot of movement and physical activity show greater brain development than babies who are less physically active. Margaret Barnes, a pediatrician, believes in the importance of exercise.(73)She thinks that many learning disabilities that children have in elementary school or high school can be traced back to a lack of movement as babies.
    In studies with seniors, research has shown that exercise helps older people as well. The exercise does not have to be very difficult. The main goal is just to increase the heart rate. And especially when learning new movements, such as yoga or tai chi, it appears that new memory paths open up in the brain. This can improve people’ s short-term memory.
What type of patients does a pediatrician probably treat?

选项 A、Patients with mental problems.
B、Patients with physical problems.
C、Children.
D、Old people.

答案C

解析 推理判断题。本题主要考查考生对“pediatrician(儿科医生)”一词的理解。由文章第一段最后一句中她对儿童学习能力缺陷的观点可推断,她的研究或诊断对象是儿童。故选C。
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