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
38
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] 【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,新的细胞再作,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/3483115.html
相关试题推荐
Everyanimalisalivingradiator-heatformedinitscellsisgiven
Everyanimalisalivingradiator-heatformedinitscellsisgiven
Everyanimalisalivingradiator-heatformedinitscellsisgiven
Everyanimalisalivingradiator-heatformedinitscellsisgiven
Everyanimalisalivingradiator-heatformedinitscellsisgiven
Everyanimalisalivingradiator-heatformedinitscellsisgiven
Peoplecanbeaddictedtodifferentthings--e,g.,alcohol,drugs,certain
Peoplecanbeaddictedtodifferentthings--e,g.,alcohol,drugs,certain
Peoplecanbeaddictedtodifferentthings--e,g.,alcohol,drugs,certain
Historianstendtotellthesamejokewhentheyaredescribinghistoryeduca
随机试题
ManypeopleinvestinthestockmarkethopingtofindthenextMicrosoftan
[originaltext]AmericanvisitorstoEasternAsiaareoftensurprisedandpuz
A.understoodB.lengthC.optimismD.bridalE.happenedF.evenG.ide
随着比赛的临近,心率(),血压()越明显。A.加快 B.减慢 C.升高 D
“好一株盛开的紫藤萝……,难道这就是那株给人以精神力量的紫藤萝吗?”这段描写没有
(2013年)下列关于绩效审计的表述,正确的有()。A.绩效审计是指对被审计单位
不属于非语言沟通技巧的是A.倾听 B.提问 C.表情 D.距离 E.眼神
关于质量手册和质量计划的说法,正确的有()。[2010年真题] A.质量计划
詹森(Jensen)指数是通过比较考查期基金收益率与预期收益率之差来评价基金,即
根据《证券法》,向不特定对象发行的证券票面总值超过人民币3000万元的,应当由承
最新回复
(
0
)