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Aging happens to all of us, and is gener...

    Aging happens to all of us, and is generally thought as a natural part of life. It would seem silly to call such a thing a  “disease”.

On the other hand, scientists are increasingly learning that aging and biological age are two different things, and that the former is a key risk factor for conditions such as heart disease, cancer and many more. In that light, aging itself might be seen as something treatable, the way you would treat high blood pressure or a vitamin deficiency.

Biophysicist Alex Zhavoronkov believes that aging should be considered a disease. He said that describing aging as a disease creates encouragement to develop treatments.

“It unties the hands of the pharmaceutical(制药的) industry so that they can begin treating the disease and not just the side effects,” he said.

“Right now, people think of aging as natural and something you can't control.” he said. “In academic circles, people take aging research as just an interest area where they can try to develop interferences. The medical community also takes aging for granted, and can do nothing about it except keep people within a certain health range. ”

But if aging were recognized as a disease, he said, “It would attract funding and change the way we do health care. What matters is understanding that aging is curable.”

“It was always known that the body accumulates damage” he added. “The only way to cure aging is to find ways to repair that damage. I think of it as preventive medicine for age-related conditions. ”

Leonard Hayflick, a professor at the University of California, San Francisco, said the idea that aging can be cured implies the human lifespan can be increased, which some researchers suggest is possible. Hayflick is not among them.

“There're many people who recover from cancer, stroke, or heart disease. But they continue to age, because aging is separate from their disease,” Hayflick said. “Even if those causes of death were removed, life expectancy would still not go much beyond 92 years.”

1.What do people generally believe about aging?

A.It should cause no alarm whatever the circumstances.

B.It should be regarded as a kind of disease.

C.They just cannot do anything about it.

D.They can delay it with advances in science.

2.How do many scientists view aging now?

A.It might be prevented and treated.

B.It can be as risky as heart disease.

C.It results from a vitamin deficiency.

D.It is an irreversible(不可逆转的) biological process.

3.What do we learn about the medical community?

A.They now have a strong interest in research on aging.

B.They differ from the academic circles in their view on aging.

C.They have ways to prevent people's aging process.

D.They can contribute to people's health only to a limited extent.

4.What does Professor Leonard Hayflick believe?

A.Aging is hardly separate from disease.

B.The human lifespan cannot be lengthened.

C.Few people live up to the age of 92.

D.Heart disease is the major cause of aging.

 

1.C 2.A 3.D 4.B 【解析】 这是一篇说明文。本文主要是对人类的衰老过程是一种自然现象还是一种疾病的问题,引用了几个研究人员的观点来从不同的角度出发进行了讨论。 1.细节理解题。根据第一句Aging happens to all of us, and is generally thought as a natural part of life. 可知衰老发生在我们每个人身上,通常被认为是生活中很自然的一部分。由此可知,人们通常认为他们对衰老无能为力。故选C。 2.细节理解题。根据第二段中In that light, aging itself might be seen as something treatable, the way you would treat high blood pressure or a vitamin deficiency.可知从这个角度来看,衰老本身可能是可以治疗的,就像你治疗高血压或维生素缺乏症那样。由此可知,许多科学家认为现在的老龄化可以预防和治疗。故选A。 3.细节理解题。根据第五段中In academic circles, people take aging research as just an interest area where they can try to develop interferences. The medical community also takes aging for granted, and can do nothing about it except keep people within a certain health range.可知在学术界,人们只是把衰老研究作为一个有趣的领域,在那里他们可以尝试开发干扰。医学界也认为衰老是理所当然的,除了让人们保持在一定的健康范围内,他们无能为力。由此可知,关于医学界,我们了解到他们只能在有限的范围内对人们的健康做出贡献。故选D。 4.细节理解题。根据倒数第二段Leonard Hayflick, a professor at the University of California, San Francisco, said the idea that aging can be cured implies the human lifespan can be increased, which some researchers suggest is possible. Hayflick is not among them.可知加州大学旧金山分校教授Leonard Hayflick表示,衰老可以治愈的观点意味着人类寿命可以延长,一些研究人员认为这是可能的。Hayflick不在其中。由此可知,Hayflick教授认为人类的寿命是不能延长的。故选B。
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