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
81
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] 【C13】
选项
A、to
B、for
C、of
D、with
答案
C
解析
转载请注明原文地址:https://tihaiku.com/zcyy/2875452.html
相关试题推荐
TheEarlyHistoryofHarvardUniversityHarvardUniver
TheEarlyHistoryofHarvardUniversityHarvardUniver
TheEarlyHistoryofHarvardUniversityHarvardUniver
TheEarlyHistoryofHarvardUniversityHarvardUniver
TheEarlyHistoryofHarvardUniversityHarvardUniver
TheEarlyHistoryofHarvardUniversityHarvardUniver
TheEarlyHistoryofHarvardUniversityHarvardUniver
IntheWest,theemphasisisonwhatamanorwomandoesforaliving.Here
[originaltext]TheEskimosneedagreatmanydifferentthingstosurvive.To
Peoplecanbeaddictedtodifferentthings—e.g.,alcohol,drugs,certainfo
随机试题
Ourape-menforefathershadnoobviousnaturalweaponsinthestruggleforsu
Thegirl’svoicewassolowthatwecould______hearher.A、seldomB、almostC、only
Manypeoplehavethesameorasimilardreammanytimes,overeitherashor
消防设备电源状态监控器日常保养项目包括()等。A.设备外观 B.接地测试
被称为“雨巷诗人”的是()A.李金发 B.冯乃超 C.徐志摩 D.戴望舒
食品中所含能量和营养素能满足人体需要的程度被称为该食品的()A.营养价值
植酸可促进锌的吸收。( )
教学孟浩然《过故人山庄》,教师要求学生回顾学过的五言律诗,下列符合要求的是(
A.药品名称B.用法用量C.生产批号D.批准文号E.规格中药制剂内包装标签内容不
智力发展的关键期( )。A.1~3岁 B.2~3岁 C.3~7岁 D.7
最新回复
(
0
)