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【51】Yet,

Throughout history man has had to accept the fact that all living things must die, but people now live longer than they【51】Yet,

admin2012-10-23  47
问题    Throughout history man has had to accept the fact that all living things must die, but people now live longer than they【51】Yet, all living things still show the【52】of aging, which will eventually【53】death.
   Aging is not a disease, but as a person passes maturity, the cells of the body and the【54】they form do not function【55】they did in childhood and adolescence. The body provides less【56】against disease mad is more【57】accident.
   A number of related causes may【58】aging. Some cells of the body have a fairly long life, but they are not【59】when they, die.  As a person ages,【60】of brain cells and muscle cells decreases.【61】body cells die and are replaced by new cells. In an aging person the【62】cells may not be as viable or as【63】growth as those of a young person.
   Another【64】in aging may be changes within the cells【65】Some of the protein chemicals in cells are known【66】with age and become less elastic. This is why the skin of old people【67】and hangs loose. This is also the reason old people【68】in height.  There may be other more important chemical changes in the cells. Some complex cell chemicals, such as DNA and RNA, store and【69】information that the cells need. Aging may affect this【70】and change the information-carrying molecules so that they do not transmit the information as well.  
选项 A、inclined to
B、tended for
C、bent against
D、apt at
答案A
解析 (be)inclined to倾向于，易于；(be)tended for搭配不当；apt at聪明的，敏捷的。
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