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
26
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] 【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 oneself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“目热地”解。
转载请注明原文地址:https://tihaiku.com/zcyy/3483117.html
相关试题推荐
[originaltext]Atthismomentsome170,000youngpeoplethroughoutBritain
[originaltext]Atthismomentsome170,000youngpeoplethroughoutBritain
[originaltext]Campingcanteachyoumanythings,suchashowtorecognizep
[originaltext]Campingcanteachyoumanythings,suchashowtorecognizep
Livingisrisky.Crossingtheroad,drivingacar,flying,swallowinganasp
Livingisrisky.Crossingtheroad,drivingacar,flying,swallowinganasp
Livingisrisky.Crossingtheroad,drivingacar,flying,swallowinganasp
Livingisrisky.Crossingtheroad,drivingacar,flying,swallowinganasp
Livingisrisky.Crossingtheroad,drivingacar,flying,swallowinganasp
[originaltext]M:Hi,Sarah,What’sup?W:Oh,hi.Ijustgotoutofahistoryc
随机试题
ThetablebelowgivesinformationaboutchangesinmodesoftravelinEnglan
WhogaveNewYorkitsnickname?[br][originaltext]M:Areyoureadyforthetri
[originaltext]W:Hello.Flagstone.M:Ohhello.IsthatFlagstoneProperties?W
2006~2008年,该省平均每年进出口总额约为;A.650亿元 B.
水肿的发病病机中,其标在肺,其制在脾,其本在A.三焦 B.膀胱 C.肾 D
A.细菌感染B.痛风C.平滑肌痉挛D.疟疾E.中重度疼痛东莨菪碱主要用于治疗
1948年10月2日,刘少奇同志在同华北记者团谈话时,讲了一个希腊神话故事:巨人
以凉血止血、利水通淋为主要功能的方剂是( )。A.八正散 B.猪苓汤 C.
甲和乙分别属于两股流氓团伙,一天两团伙在街头争地盘时发生打斗,打斗中甲持刀朝乙脑
某建设工程职业健康安全事故,造成40人死亡,30人重伤,直接经济损失为500万元
最新回复
(
0
)