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
2025-04-07
25
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【C1】______. Yet, all living things still show the【C2】______of aging, which will eventually【C3】______death. Aging is not a disease,(but)as a person passes maturity, the cells of the body and the【C4】______they form do not function as well as they【C5】______in childhood and teenage years. The body provides less【C6】______against disease and is more【C7】______to have accident. A number of related causes may【C8】______aging. Some cells of the body have a(fairly)long life, but they are not【C9】______when they die. As a person ages,【C10】______of brain cells and muscle cells decreases.【C11】______body cells die and are(replaced)by new cells. In an aging person the【C12】______cells may not be as workable or as capable【C13】______growth as those of a young person. Another【C14】______in aging may be changes within the cells【C15】______. Some of the protein chemicals in cells are known【C16】______with age and become less elastic. This is why the skin of old people wrinkles and【C17】______. This is also the reason why old people【C18】______in height. There may be other more important chemical changes in the cells. Some complex cell chemicals, such as DNA and RNA, store and【C19】______information that the cells need. Aging may affect this【C20】______and change the information carrying molecules so that they do not transmit the information as well. [br] 【C9】
选项
A、replaced
B、reborn
C、recovered
D、surrendered
答案
A
解析
上下文语义。根据后文中“body cells die and are replaced by new cells”可知,此处作者说的是另外一种情况,即那些死亡之后不会被替代的细胞。故答案为A。
转载请注明原文地址:http://tihaiku.com/zcyy/4030714.html
相关试题推荐
ThemostthoroughlystudiedintellectualsinthehistoryoftheNewWorldar
ThemostthoroughlystudiedintellectualsinthehistoryoftheNewWorldar
Throughouthistorymanhashadtoacceptthefactthatalllivingthingsmus
Throughouthistorymanhashadtoacceptthefactthatalllivingthingsmus
Throughouthistorymanhashadtoacceptthefactthatalllivingthingsmus
Throughouthistorymanhashadtoacceptthefactthatalllivingthingsmus
Throughouthistorymanhashadtoacceptthefactthatalllivingthingsmus
Throughouthistorymanhashadtoacceptthefactthatalllivingthingsmus
Throughouthistorymanhashadtoacceptthefactthatalllivingthingsmus
Throughouthistorymanhashadtoacceptthefactthatalllivingthingsmus
随机试题
北京胡同(Hutong)指的是北京市内典型的小巷或比较小的街道,始建于元朝。北京胡同的命名,有各种来源。有的胡同以人物命名;有的以巷子内的标志性建筑命名
[originaltext]Anewstudywarnsthatabout30%oftheworld’speoplemayno
根据《北京证券交易所上市公司持续监管指引第1号——独立董事》,存在()情形
患者,女,43岁。每于劳累后即出现低热,头晕乏力,自汗,食少便溏,舌淡苔白,脉弱
不作为肿瘤标志的是A.胚胎性抗原 B.糖链抗原 C.某些激素 D.癌细胞抗
Thechangeinthatvillagewasmiraculou
A.生理性需要 B.社会性需要 C.情绪性需要 D.知识性需要 E.精神
政府要努力当好服务企业的“店小二”,________倾听市场主体的呼声,____
下列腧穴治疗呃逆宜选A.攒竹 B.太渊 C.神门 D.通天
下列哪项不是克罗恩病的特点?( )。A.肠道纵行裂隙溃疡 B.炎症浸润肠壁全
最新回复
(
0
)