首页
登录
职称英语
Throughout history man has had to accept the fact that all living things mus
Throughout history man has had to accept the fact that all living things mus
游客
2023-07-28
8
管理
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 adolescence (青春期), The body provides less【C6】______against disease and is more inclined【C7】______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 viable (能生存的)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 the old people wrinkles and【C17】______. This is also the reason 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. [br] 【C10】
选项
A、a number
B、the amount
C、the number
D、most
答案
C
解析
转载请注明原文地址:https://www.tihaiku.com/zcyy/2875449.html
相关试题推荐
ExaminationshavealongerhistoryinChinathaninanyothercountry,yetitis
[originaltext]M:Hi,Sarah.What’sup?W:Oh,hi.Ijustgotoutofahistoryc
TheWorldinaGlass:SixDrinksThatChangedHistoryTomSta
TheWorldinaGlass:SixDrinksThatChangedHistoryTomSta
TheWorldinaGlass:SixDrinksThatChangedHistoryTomSta
TheWorldinaGlass:SixDrinksThatChangedHistoryTomSta
TheWorldinaGlass:SixDrinksThatChangedHistoryTomSta
______(我已得出结论)thatitwouldbeunwisetoaccepthisproposal.Ihavecometoth
Thetermbiologicalclockisappliedtothemeans,whichlivingthings【
Thetermbiologicalclockisappliedtothemeans,whichlivingthings【
随机试题
[originaltext]W:(8)I’msorry,butIcan’tletyoucheckoutthesebooks.M:Wh
赊销在企业生产经营中所发挥的作用有()。A.增加现金 B.减少存货 C.促进
某乡镇卫生院大夫,在采集到可疑流脑病人细菌培养用标本后,因缺少培养条件,需送上级
室颤先兆的心律失常是A.房性早搏 B.窦性心动过速 C.多源性室性早搏 D
从所给的四个选项中,选择最合适的一个填入问号处,使之呈现一定的规律性:
下列关于中央军事委员会负责制的表述,正确的有( ) A.中央军事委员会对全国
学习者头脑中所有的知识观念及其组织,心理学上称之为()。
会计从业资格考试大纲由()统一制定并发布。A:国务院B:省财政厅C:财政部
根据《水利工程建设施工监理规范》(SL288-2003),水利工程建设项目施工监
以上病例即时的处理是 A.完全臀,孕足月,已临产,DC=105cm B.破水
最新回复
(
0
)