2025年高考英语二轮复习：主题阅读专项练习题（含答案）

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1、2025年高考英语二轮复习：主题阅读 专项练习题专题一 人与自我AWeve all heard about techniques to get us more physically active-take the stairs and park the car a bit further from your destination.Now a study led by Dr.Buchman finds even simple housework may benefit brain health for the elderly. Our study shows exercise is an in

2、expensive way to improve health.It also shows exercise may have a protective effect on the brain，says Dr.Buchman. Previous research found just 45 minutes of walking three days a week actually increased brain volume. The new study is unique.Dr.Buchman was able to analyze the actual brains of the stud

3、y participants. The study looked at 454 older adults who were over 70 years old when the research began.Of those adults，191 had behavioral signs of dementia（痴呆） and 263 did not. In the research，each participant wore an activity monitor called an accelerometer（加速度计）.It measured those participants phy

4、sical activity around the clock-everything from walking around the house to exercise routines.Researchers collected and evaluated ten days of movement data for each participant and calculated the levels of daily movement. The findings show that higher levels of daily movement were linked to better t

5、hinking and memory skills.And when Dr.Buchman analyzed brain tissue under a microscope，this finding turned out to be the case even for individuals with at least three signs of Alzheimers disease（阿尔茨海默病）.Even though these individuals might have been diagnosed with Alzheimers，30 percent of them hadnor

6、mal cognition（认知），says Dr.Buchman. Why one person shows signs of dementia and another，who has similar degenerative（退行的） changes in the brain，does not，is a mystery.But Dr.Buchman says the new findings suggest that physical activity may be protective，even among developing Alzheimers.It sort of masks the symptoms，he says.It suggests that you can have some control over your brain health even if you dont have control over developing Alzheimers. And，while intense ex