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
65
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] 【C13】
选项
A、themselves
B、itself
C、by themselves
D、of themselves
答案
A
解析
themselves 与 the cells同位。by on self作“独自地、独立地”解,但并不强调会给自己带来好处。of oneself 作“自动的、自己”或“自然地”解。
转载请注明原文地址:http://tihaiku.com/zcyy/3443428.html
相关试题推荐
Hesaidhewouldacceptthejob,sowehaveaskedhimto______hisacceptancei
Forthefirsttimeinhistory,evolutionhastakenabackseat.Thereisanongoi
[originaltext]Bookswhichgiveinstructionsonhowtodothingsareverypo
[originaltext]Bookswhichgiveinstructionsonhowtodothingsareverypo
[originaltext]Bookswhichgiveinstructionsonhowtodothingsareverypo
Inhistorythereweremanywell-knownpeople______.(经历过失败)whounderwent/suffe
DiscoverybyAccidentInthelonghistoryofman’si
DiscoverybyAccidentInthelonghistoryofman’si
DiscoverybyAccidentInthelonghistoryofman’si
EnvironmentandHealthIssuesWearelivingina
随机试题
OverweightPeopleHaveaLowerRiskofDeath
Arabswill______inabusinessmeeting.[br]Themainpurposeofthisarticlei
[originaltext]W:Hello,Patrick.Whatareyoubusydoing?M:Nothingserious.W
DespicableCharactersAreNewHeroesA)InfilmsandTVshows
药物不良反应是指在预防、诊断、治疗疾病或调节生理功能过程中,人接受正常剂量的药物
图示外伸梁,在C、D处作用相同的集中力F,截面A的剪力和截面C的弯矩分别是:
下列哪些是新病声音嘶哑或失音的病因A.风寒袭肺 B.风热袭肺 C.肺肾精气内
根据《商业银行资本管理办法(试行)》的规定,正常时期我国非系统重要性银行的资本充
某河道治理工程施工1标建设内容为新建一座涵洞,招标文件依据《水利水电工程标准施工
小叶中央型肺气肿的病理改变是A.肺泡管、肺泡囊、肺泡扩张 B.终末细支气管以下
最新回复
(
0
)