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While we’ve known for some time about the many long-term benefits of exercise, new research shows aerobic exercise also may have
While we’ve known for some time about the many long-term benefits of exercise, new research shows aerobic exercise also may have
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2022-01-04
69
问题
While we’ve known for some time about the many long-term benefits of exercise, new research shows aerobic exercise also may have considerable effects on aging and brain health in the short term. A new study says exercise can help older adults improve their memory and overall cognitive health as they【C1】________.
Researchers at the Center for BrainHealth studied a group of 37 adults ages 57 to 75【C2】________inactive lifestyles. They were【C3】________two groups, one control group and one physically active group. The fitness group spent one hour a day, three times a week, either bicycling or jogging【C4】________the course of 12 weeks.
Each participant was【C5】________before, after and halfway through the study on their overall brain【C6】________and the fitness level of heart and blood vessel. At all three checkpoints, the group that was physically active was found to have higher blood flow in the brain and also improved memory. Researchers【C7】________this to increased blood flow in certain regions of the brain concerning memory.
"Science has shown that aging【C8】________mental efficiency and memory decline is the number one cognitive【C9】________of older adults," lead author Sandra Bond Chapman said in a statement. "This research shows the【C10】________benefit of aerobic exercise on a person’s memory and demonstrates that aerobic exercise can reduce both the biological and cognitive【C11】________of aging."
There are hundreds of benefits of exercise at any age【C12】________, for older adults, the affects are especially astonishing. Another study in 2006 showed that exercise not only improved brain performance but【C13】________increased brain volume in older adults.
Researchers say the best part about the【C14】________findings is that aerobic exercise is low-cost and accessible to anyone,【C15】________is packed with benefits. Exercise can help lower blood pressure, help【C16】________your hormone levels, and even shorten hot flashes.
But to【C17】________maximum benefits from an exercise regime, Chapman says it’s important to also get plenty of mental stimulation. "To think we can【C18】________and improve the basic structure of the【C19】________brain through aerobic exercise and complex thinking should【C20】________us to challenge our thinking and get moving at any age," Chapman said.
【C6】
选项
A、function
B、structure
C、illness
D、development
答案
A
解析
空格所在的部分是本句的宾语,brain…与the fitness level…blood vessel构成并列。文章开头提及运动对brain health有影响,且下文提到大脑的血流量(blood flow)、记忆力(memory)与大脑所起的作用相关,故选A项function“功能”。brain与B项structure及D项development搭配分别表示“大脑结构”及“大脑的开发”,无法与“心脏、血管的总体健康状况”语义并列。C项illness与brain搭配表示“脑部疾病”,文章所研究内容只涉及运动与记忆的关系,不涉及大脑疾病。
转载请注明原文地址:https://kaotiyun.com/show/v0Y4777K
0
考研英语二
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