首页
登录
职称英语
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
39
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 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] 【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,新的细胞再生,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/3443426.html
相关试题推荐
Hesaidhewouldacceptthejob,sowehaveaskedhimto______hisacceptancei
Forthefirsttimeinhistory,evolutionhastakenabackseat.Thereisanongoi
[originaltext]Bookswhichgiveinstructionsonhowtodothingsareverypo
[originaltext]Bookswhichgiveinstructionsonhowtodothingsareverypo
DiscoverybyAccidentInthelonghistoryofman’si
DiscoverybyAccidentInthelonghistoryofman’si
DiscoverybyAccidentInthelonghistoryofman’si
DiscoverybyAccidentInthelonghistoryofman’si
DiscoverybyAccidentInthelonghistoryofman’si
Helikessweetthings,______(特别是巧克力).chocolatesinparticular
随机试题
Thedelegatesdecidedthat_________________(继续开会,而不是中断会议去吃午餐).they(should)go
[originaltext]M:Hello?W:Hello,I’mcallingabouttheapartmentthatwasadve
Questions14-17Thetexthas8paragraphs(A-H).Whichparagraphdoeseachofth
设cosx-1=xsinα(x),其中|α(x)|,则当x→0时,α(x)是A.
在结构化分析方法中,用( )表示功能模型,用状态转换图表示行为模型。A.ER图
年限满()年后,检测机构在具备相应的业绩条件下方可申报上一等级的评定。A.
男性,45岁,低热咳嗽左侧胸痛2周,夜间偶有盗汗,胸片和B超提示左侧大量胸腔积液
下列()情形下,政府采购人可以不采购本国货物、工程和服务。A、为在中国境外使用而
下列属于血管内溶血的是A.地中海贫血 B.自身免疫性溶血性贫血 C.遗传性球
在上次考试中,老师出了一道非常古怪的难题,有86%的考生不及格。这次考试之前.王
最新回复
(
0
)