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
34
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
混凝土棱柱体抗压弹性模量试验中,试件尺寸与棱柱体轴心抗压强度试验试件尺寸相同,每
国家统计调查、部门统计调查、地方统计调查要( )A.明确分工 B.互相衔接
患者,男性,35岁,服用别嘌醇3周后全身出现皮疹,瘙痒伴低热.查尿常规示白细胞(
流行性出血热少尿期的治疗原则是( )。A.控制感染,减轻外渗、改善中毒症状
()是指套期保值者通过在期货市场建立多头头寸,预期对冲其现货商品或资产空头,或
面裹煨肉豆蔻时,每100kg肉豆蔻用面粉A.20kg B.30kg C.
子宫峡部的下端是A.组织学上口 B.解剖学内口 C.组织学内口 D.解剖学
乳房脓肿切开引流的切口选择应该是()。A.低位横切法 B.“十”字切口 C
设备采购招标中,以设备寿命周期成本为基础的评标价法中说法不正确的是( )。A.
初孕妇,26岁。妊娠33周,用胰岛素治疗糖尿病,今晨5时惊醒,心慌、出汗。此时最
最新回复
(
0
)