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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
admin
2022-01-04
99
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.
【C7】
选项
A、compare
B、devote
C、lead
D、attribute
答案
D
解析
this指代上句的研究发现;空格词应与to搭配,说明研究发现与大脑某些有关记忆的特定区域血流量增加的关系。D项attribute与to搭配表示“把……归因于”,代入句中指研究者们把这种现象归因于大脑某些有关记忆的特定区域血流量的增加。compare…to“把……比作”(A项),devote…to“把……奉献给”(B项),lead…to“把……领往”(C项)。把这三项代入句中语义都不通顺,无法解释两者关系。
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0
考研英语二
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