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
2024-02-26
37
管理
问题
Throughout history man has had to accept the fact that all living things must die, hut 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【C19】______. 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] 【C11】
选项
A、remaining
B、other
C、old
D、new
答案
D
解析
上一句谈到其身体细胞死亡后,新的细胞再作,此句承接上句,比较年老的人与年轻人新细胞功能的强弱。
转载请注明原文地址:https://tihaiku.com/zcyy/3483115.html
相关试题推荐
Everyanimalisalivingradiator-heatformedinitscellsisgiven
Everyanimalisalivingradiator-heatformedinitscellsisgiven
Everyanimalisalivingradiator-heatformedinitscellsisgiven
Everyanimalisalivingradiator-heatformedinitscellsisgiven
Everyanimalisalivingradiator-heatformedinitscellsisgiven
Everyanimalisalivingradiator-heatformedinitscellsisgiven
Peoplecanbeaddictedtodifferentthings--e,g.,alcohol,drugs,certain
Peoplecanbeaddictedtodifferentthings--e,g.,alcohol,drugs,certain
Peoplecanbeaddictedtodifferentthings--e,g.,alcohol,drugs,certain
Historianstendtotellthesamejokewhentheyaredescribinghistoryeduca
随机试题
Tocompensateforthesubstantialdeclineintheavailabilityoffossilfuelsin
Formuchoftheworld,thedeathofRichardNixonwastheendofacomplexp
Themountainis(cover)______withthicksnowallyearround,soitattractsma
U.S.EarlyChildhoodEducationFiftyyearsago,【T1】______attendedearly
变压器低电压起动的过电流保护元件动作电流整定,按照躲过()A.最大负荷电流
受托代理业务是一种无负债、低风险、收益十分固定的中间业务。
输卵管通液检查临床最常用于A、继发不孕怀疑输卵管不通 B、盆腔慢性炎症要求生育
2020年,F省全年粮食产量502.32万吨,比上年增加8.42万吨,增长1.7
4月份,某空调厂预计7月份需要500吨阴极铜作为原料,当时铜的现货价格为5300
根据证券法律制度的规定,下列情形中,上市公司不得非公开发行股票的有()。A
最新回复
(
0
)