雅思阅读真题（Part 3）
Part 3 · 考频：中频 · 最近考试：2026.2.12天津大学
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While it may not be possible to completely age-proof our brains, a brave new world of anti-aging research shows that our gray matter may be far more flexible than we thought. So no one, no matter how old, has to lose their mind. The brain has often been called the three-pound, universe. It’s our most powerful and mysterious organ, the seat of the self, laced with as many billions of neurons as the galaxy has stars. NO wonder the mere notion of an aging, falling brain—and the prospect of memory loss, confusion, and the unraveling of our personality— is so terrifying.
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答案：Doing active aerobic exercise and frequently climbing status,High levels of education,Early verbal or language competence training,Personality and feelings of self-fulfillment
原文定位：Moderate aerobic exercise, including long brisk walks and frequently climbing stairs, will accomplish this;Education also seems to enhance brain function. People who have challenged themselves with at least a college education may actually stimulate the neurons in their brains;Early linguistic ability also seems to help our brains later in life;Finally, personality seems to play an important role in protecting our mental prowess. A sense of self-efficacy may protect our brain
同义替换：「active」↔「moderate」，「high levels of education」↔「college education」，「language competence」↔「linguistic ability」，「self-fulfillment」↔「self-efficacy」
答案：Robert Sapolsky
原文定位：years ago we thought Alzheimer’s disease was a dramatic version of normal aging. Now we realize it’s a disease with a distinct pathology
同义替换：「rather than」↔「not」
答案：Peter Davies
原文定位：If you have a lot of neurons and keep them busy, you may be able to tolerate more damage to your brain before it shows
同义替换：「endure more harm」↔「tolerate more damage」
答案：Marilyn Albert
原文定位：regular exercise may actually stimulate blood flow to the brain and nerve growth, both of which create more densely branched neurons, rendering the neurons stronger and better able to resist disease
同义替换：「boost」↔「stimulate」，「increase anti-disease disability」↔「better able to resist disease」
答案：Paddy Spence
原文定位：Sales of ginkgo;are up by 22 percent in the last six months alone, according to Paddy Spence, president of SPINS
答案：William Greenough
原文定位：These rodents developed about 25 percent more connections between their neurons than did rats that didn’t get any mentally stimulating recreation
同义替换：「links」↔「connections」，「stimulated animals」↔「mentally stimulating recreation」
答案：Zaven Khachaturian
原文定位：While neuroscientists like Khachaturian liken the use of these products to the superstition of tossing salt over your shoulder, the public is nevertheless gobbling up nutrients that promise cognitive enhancement
同义替换：「brain supplements products」↔「nutrients」，「little scientific proof」↔「superstition」
答案：Marilyn Albert
原文定位：There’s evidence that elevated levels of stress hormones may harm brain cells and cause the hippocampus;to atrophy
同义替换：「Heightened」↔「elevated」，「damage」↔「harm」，「deteriorate」↔「atrophy」
答案：Linda Gilbert
原文定位：Indeed, products that increase and preserve mental performance are a small but emerging segment of the supplements industry
同义替换：「upgrade」↔「increase」，「newly developing industry」↔「emerging segment」
答案：Making our minds last a lifetime
原文定位：While it may not be possible to completely age-proof our brains;Its design features are such that it should continue to function for a lifetime
同义替换：「last」↔「continue to function for」