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
2023-07-25
63
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/2866853.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
[originaltext]M:Hi,Sarah,What’sup?W:Oh,hi.Ijustgotoutofahistoryc
[originaltext]M:Hi,Sarah,What’sup?W:Oh,hi.Ijustgotoutofahistoryc
[originaltext]M:Hi,Sarah,What’sup?W:Oh,hi.Ijustgotoutofahistoryc
随机试题
[originaltext]Question:MrFischer,congratulationsontheEuropeanConstitutio
Itisatruthuniversallyacknowledged,thatasinglemaninpossessionofa
WhichofthefollowingsentencesisINCORRECT?A、Howstrangefeelingstheyare!B
Theexaminerasksthecandidateabouthim/herself,his/herhome,workorstudies
Whatwouldyouliketochangeaboutyourdailyroutine? No.IthinkIhaveahe
在肝脏受损早期即出现活性减低的凝血因子是A.FⅡ:CB.FⅤ:CC.FⅦ:CD.
当某旅游产品的需求价格弹性系数大于1时,在其他条件不变的情况下,要增加旅游需求量
关于招标人采购,下列叙述错误的是()。A、加大了招标人的采购控制权B、加大了招
机体内环境的稳态是指 A.细胞内液理化性质保持不变B.细胞外液理化性质保持不
企业存货的总成本是存货的取得成本、储存成本和()之和。A.缺货成本 B.存货
最新回复
(
0
)