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
50
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
Youwillheartwotelephoneconversations.Writedownonewordornumberinthe
OnenightinApril1912,ahugenew【B1】______liner,namedtheTitanic,was【B
钢筋接头采用搭接焊或绑条焊时,单面焊和双面焊焊缝的长度应分别满足()。A、10
一位诊断为慢性牙周炎的牙周病患者,已于2个月前完成基础治疗,现需选择最佳手术方法
《义务教育语文课程标准(2011年版)》提出:语文课程目标应从知识与能力、过程与
若发生突发性质量事故,事故单位向有关部门电话报告应在( )小时内。 A、2
直流换流站单极运行,对停运的单极设备进行试验,若影响运行设备安全,应有措施,并经
直流电路如图所示。图中A点的电位是( )。
作为"发现用药差错的方法","用药差错和ADEs报告系统"的优点是A.数据充分
(2016年真题)某上市公司职业经理人在任职期间不断提高在职消费,损害股东利益。
最新回复
(
0
)