2. 外语
  3. In the next 40 years, the percentage of people in the United States over the age of 65 is expected to double.【C1】______the needs

In the next 40 years, the percentage of people in the United States over the age of 65 is expected to double.【C1】______the needs

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问题    In the next 40 years, the percentage of people in the United States over the age of 65 is expected to double.【C1】______the needs of this part of the population is a【C2】______to the ingenuity or genius of America. To a【C3】______degree, a society is judged by【C4】______it cares for those who can no【C5】______care for themselves. High technology【C6】______the most startling advances in helping the elderly. In【C7】______to the well-known artificial heart implantation, there are efforts that have already started to【C8】______artificial lungs, livers, and bones. An electric ear is【C9】______seventy-five percent effective. They will【C10】______better medical care by【C11】______very small dose of drugs into the body continuously.
   For the older people, even the simplest tasks can be difficult,【C12】______impossible to perform, American businesses have responded【C13】______those older people’s needs with a【C14】______of inexpensive but useful【C15】______. Companies have designed extra-efficient can openers that【C16】______people whose hands have become【C17】______weak to open cans easily. There are devices that allow people to pull on a pair of socks【C18】______straining their backs. Combs with long handles and U-shaped back brushes are【C19】______for those who can not reach as far as they could【C20】______they were young.
【C4】
选项 A、how
B、why
C、what
D、whom
答案A
解析 此处需填入一个词引导状语从句，[A]how“怎样，以什么方式”，可以引导方式状语从句；[B]why“为什么”，可以引导原因状语从句；[C]what“什么”和[D]whom“谁”，不能引导状语从句，故排除[C]和[D]。根据上下文和常识可知，评价一个社会应似怎样照顾老年人为衡量的标准，而不会是以为什么要照顾老年人为标准，因此选[A]，排除[B]。
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