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As people continue to grow and age,our body systems continue to change.At a cert
As people continue to grow and age,our body systems continue to change.At a cert
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2024-07-25
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问题
As people continue to grow and age,our body systems continue to change.At a certain pointin your life your body systems will begin to weaken.Your strength may become weaker.It may become more difficult for you to see and hear.The slow change of aging causes our bodies tolose come of their ability to bounce back from disease and injury.In order to live longer,we have always tried to slow or stop this change that leads us toward the end of our lives.
Many factors decide your health.A good diet plays an important role.The amount and typeof exercise you get is another factor.Your living condition is yet another.But scientists studying aging problem want to know:Why do people grow old?They hope that by studying the aging medical science they may be able to make the length of life longer.
There is nothing to be afraid of as old age comes.Many consider the later part of life to bethe best time for living.Physical activity may become less.but often you get better understanding of yourself and the world.
What we consider old age now may only be middle age some day soon.Who knows,with somany advances in medical science happening so quickly,life span may one day be measured incenturies,rather than in years. [br] Why are some scientists interested in studying aging problem?
选项
A、They want to increase the general ability of our bodies.
B、They may be able to find a better way of our life.
C、If they can pin down the biochemical process that makes us age,there will be hope for extending the length of life.
D、They want to find out ifthere is a link between how efficiently a cell could repair itself and how long a creature lives.
答案
C
解析
科学家之所以对研究衰老感兴趣,就是想阻止住人类衰老的生化过程,延长人的寿命。
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