2. 外语
  3. Throughout history, humans have suffered from a condition that they have never been able to escape—ageing. Some researchers, how

Throughout history, humans have suffered from a condition that they have never been able to escape—ageing. Some researchers, how

admin2019-04-15  103
问题    Throughout history, humans have suffered from a condition that they have never been able to escape—ageing. Some researchers, however, believe we may be thinking about it in the wrong way. They say we should start treating ageing itself as a disease—one that can be prevented and treated.
   Their hopes are founded on recent discoveries that suggest biological ageing may be entirely preventable and treatable. From a biological perspective, the body ages at different rates according to genetic and environmental factors. Tiny errors build up in our DNA and our cells begin developing faults that can grow into tissue damage, which leads to ageing and ageing-related diseases.
   One of the leading figures in human life research, Aubrey De Grey, explains in an interview that their goal is to develop a set of therapies for middle-aged and older people that will leave them physically and mentally equivalent(相当的) to someone under the age of 30. "Of course, without wiping their memories, " he adds. But he doesn ’ t think that will be possible to stop ageing altogether. He sees a future where "rejuvenation technologies" can be applied to old people in order to revert their cells to what they were like when they were in their youth, buying them extra time. The idea is that someone who is treated at the age of 60 will be biologically reverted to 30. But because the therapies are not permanent fixes, their cells will end up becoming 60 years old again in another 30 years time.
What does "rejuvenation" (Para. 3) possibly mean?
选项 A、Relating to cells.
B、Relating to genes.
C、Becoming healthy.
D、Becoming young.
答案D
解析 推理题。根据文章第三段第四句可知，“rejuvenation技术”可用在老年人身上，把他们的细胞恢复到他们年轻时的样子，给他们额外的时间。因此可推断选项D(变年轻)符合文章意思。选项A(与细胞有关)、选项B(与基因有关)、选项C(变得健康)均不符合文章意思。故本题选D。
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