首页
登录
职称英语
Throughout history man has had to accept the fact that all living things must
Throughout history man has had to accept the fact that all living things must
游客
2025-04-27
31
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【51】Yet, all living things still show the【52】of aging, which will eventually【53】death.
Aging is not a disease, but as a person passes maturity, the cells of the body and the【54】they form do not function【55】they did in childhood and adolescence. The body provides less【56】against disease mad is more【57】accident.
A number of related causes may【58】aging. Some cells of the body have a fairly long life, but they are not【59】when they, die. As a person ages,【60】of brain cells and muscle cells decreases.【61】body cells die and are replaced by new cells. In an aging person the【62】cells may not be as viable or as【63】growth as those of a young person.
Another【64】in aging may be changes within the cells【65】Some of the protein chemicals in cells are known【66】with age and become less elastic. This is why the skin of old people【67】and hangs loose. This is also the reason old people【68】in height. There may be other more important chemical changes in the cells. Some complex cell chemicals, such as DNA and RNA, store and【69】information that the cells need. Aging may affect this【70】and change the information-carrying molecules so that they do not transmit the information as well. [br]
选项
A、shorten
B、shrink
C、fatten
D、decrease
答案
B
解析
句意:这也是老年人身高减缩的原因。
转载请注明原文地址:https://www.tihaiku.com/zcyy/4056645.html
相关试题推荐
Theracialinterpretationofhistoryandthefascistcontemptfordemocracylure
Throughouthistorymanhashadtoacceptthefactthatalllivingthingsmust
Throughouthistorymanhashadtoacceptthefactthatalllivingthingsmust
Throughouthistorymanhashadtoacceptthefactthatalllivingthingsmust
Throughouthistorymanhashadtoacceptthefactthatalllivingthingsmust
Throughouthistorymanhashadtoacceptthefactthatalllivingthingsmust
Throughouthistorymanhashadtoacceptthefactthatalllivingthingsmust
Throughouthistorymanhashadtoacceptthefactthatalllivingthingsmust
Throughouthistorymanhashadtoacceptthefactthatalllivingthingsmust
Throughouthistorymanhashadtoacceptthefactthatalllivingthingsmust
随机试题
•ReadthefollowingpassagebelowaboutVolkswagen.•Foreachquestion23-28,c
DictationListentothepassage.Forquestions21—25,fillintheblankswithth
估计人体腹部脂肪最简单实用的指标是A.体重 B.臀围 C.体质指数 D.理
活髓牙钉洞同位型要求钉洞的深度一般为A.1mm B.0.5mm C.1.5m
呕吐物含胆汁者考虑病变部位为A、小肠 B、结肠 C、食管 D、胃 E、十
穿心莲的气味是()。A.气微,味苦B.气香,味苦C.气微香,味涩,微苦D.气香
“是吗?”、“哦?”等语言常见于反馈技巧中的A:直接性反馈 B:间接性反馈
总建筑面积为22000m2的地下商店,采用无门窗洞口的防火墙和不低于2.00h的
下列关于缓释、控释制剂的说法,错误的是A.药效作用剧烈的药物宜制成控释制剂 B
根据《规划环境影响技术评价导则总纲》,对资源、环境要素的重大不良影响进行分析判断
最新回复
(
0
)