2. 外语
  3. Throughout history man has had to accept the fact that all living things must die. But people now live longer than they【C1】_____

Throughout history man has had to accept the fact that all living things must die. But people now live longer than they【C1】_____

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问题     Throughout history man has had to accept the fact that all living things must die. But people now live longer than they【C1】______. Yet, all living things still show the【C2】______of aging, which will eventually【C3】______death. Aging is not a disease,(but)as a person passes maturity, the cells of the body and the【C4】______they form do not function as well as they【C5】______in childhood and teenage years. The body provides less【C6】______against disease and is more【C7】______to have accident. A number of related causes may【C8】______aging. Some cells of the body have a(fairly)long life, but they are not【C9】______when they die. As a person ages,【C10】______of brain cells and muscle cells decreases.【C11】______body cells die and are(replaced)by new cells. In an aging person the【C12】______cells may not be as workable or as capable【C13】______growth as those of a young person. Another【C14】______in aging may be changes within the cells【C15】______. Some of the protein chemicals in cells are known【C16】______with age and become less elastic. This is why the skin of old people wrinkles and【C17】______. This is also the reason why old people【C18】______in height. There may be other more important chemical changes in the cells. Some complex cell chemicals, such as DNA and RNA, store and【C19】______information that the cells need. Aging may affect this【C20】______and change the information carrying molecules so that they do not transmit the information as well.
【C19】
选项 A、pass away
B、pass by
C、pass off
D、pass on
答案D
解析 动词词组辨析。pass away“去世”；pass by“经过”；pass off“停止”；pass on“传递”，空格词组后接宾语information，根据语境判断，所选词组应为“传递，传输”的意思。选项中只有D符合语境。故答案为D。
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