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Throughout history, man has had to accept the fact that all living things mu
Throughout history, man has had to accept the fact that all living things mu
游客
2024-02-12
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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 used to. Yet, all【C1】______things still show the effect of aging, which will eventually【C2】______death. The body and the【C3】______, they do not function as well as they【C4】______in childhood and adolescence(青春期). The body provides less【C5】______against disease and is more prone(易于……的)【C6】______accident.
A number of related causes may【C7】______to aging. Some cells of the body have a【C8】______long life, but they are not【C9】______when they die. As a person ages,【C10】______of brain cells and muscle cells decreases. Other body cells did and are replaced by new cells. In an aging person the【C11】______cells may not be as viable(能生存的)or as capable【C12】______growth as those of a young person.
Another factor in aging may be changes within the cells【C13】______. Some of the protein chemicals in cells【C14】______known to change【C15】______age and become less elastic. This is why the skin of old people wrinkles and hangs loose. This is also the reason old people shrink in【C16】______. There may be other more important chemical changes in the cells. Some complex cell chemicals.【C17】______DNA and RNA, store and【C18】______information that the cells need. Aging may【C19】______this process and change the information carrying molecules【C20】______they do not transmit the information as well. [br] 【C17】
选项
A、as such
B、as that
C、as though
D、such as
答案
D
解析
such as为复合连接词,引出同位语DNA and RNA,对前面的some complex cell chemicals 起列举作用,可译为“例如”。as though 似乎,as that 象那一样,as such确切而言,完全地,例:I didn’t have a nervous breakdown as such,it was more a reaction to overwork.我不是真的得了精神崩溃,那只是工作过度的反应。 such as这两个单词既可分开用,也可合起来用。Such accommodation as she could find was expensive.她所找的住处很贵。There are many people in the hall,such as…有许多人在大厅里,例如……
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