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
2023-07-28
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 【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 adolescence (青春期), The body provides less【C6】______against disease and is more inclined【C7】______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 viable (能生存的)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 the old people wrinkles and【C17】______. This is also the reason 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] 【C12】
选项
A、old
B、remaining
C、new
D、other
答案
C
解析
转载请注明原文地址:https://tihaiku.com/zcyy/2875451.html
相关试题推荐
TheEarlyHistoryofHarvardUniversityHarvardUniver
TheEarlyHistoryofHarvardUniversityHarvardUniver
TheEarlyHistoryofHarvardUniversityHarvardUniver
TheEarlyHistoryofHarvardUniversityHarvardUniver
TheEarlyHistoryofHarvardUniversityHarvardUniver
IntheWest,theemphasisisonwhatamanorwomandoesforaliving.Here
IntheWest,theemphasisisonwhatamanorwomandoesforaliving.Here
IntheWest,theemphasisisonwhatamanorwomandoesforaliving.Here
IntheWest,theemphasisisonwhatamanorwomandoesforaliving.Here
[originaltext]TheEskimosneedagreatmanydifferentthingstosurvive.To
随机试题
下列选项中,不属于焊后检验方法的是A.装配组对检验 B.外观检验 C.射线检
下列单体能发生聚合反应的是()。A. B. C. D.
当借款人信用状况较差、贷款安全受到威胁时,银行应与借款人约定对账户()的最低
三位同学用下面的节奏型进行合奏时,老师要求他们注意聆听其他声部,并调整自己的演奏
实践是教师专业发展和自我成长的核心因素。
银行间债券市场的交易品种不包括()。A.质押式回购 B.远期交易 C.债券
关于建设工程质量管理的原则,下列说法错误的是( )。A、县级以上人民政府建设
肠瘘瘘口的负压引流管的负压应维持在A.1.5~2kPa B.2~3.2kPa
Whatisthemainpurposeofthislette
贷款经办行对个人商用房贷款的贷后管理包括()。A.贷后监测 B.贷后检查
最新回复
(
0
)