首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
Throughout history man has had to accept the fact that all living things must die, but people now live longer than they 【C1】____
Throughout history man has had to accept the fact that all living things must die, but people now live longer than they 【C1】____
admin
2010-04-12
48
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.
【C17】
选项
A、hangs loose
B、hangs loosely
C、is hanging loose
D、is hanging loosely
答案
A
解析
转载请注明原文地址:https://kaotiyun.com/show/U8j7777K
0
大学英语四级
相关试题推荐
Televisionisoneofthemostcommonlyseenentertainmentdeviceinpeople’sdailylife.Probablypeoplewillneverthinkabout
Cultureshockissonamedbecauseoftheeffectithasonpeoplewhentheyenteranewculture.Expertshavebeeninterestedin
Cultureshockissonamedbecauseoftheeffectithasonpeoplewhentheyenteranewculture.Expertshavebeeninterestedin
A、Asavaluableemployee.B、Asanaverageemployee.C、Asanunqualifiedemployee.D、Asatroublesomeemployee.A
Thetermbiologicalclockisappliedtothemeans,whichlivingthings【M1】______adjusttheiractivitypatterns,withou
Singaporeiswellknownasamulti-racial,multi-culturalandmulti-religiousnation.Andthis【C1】______isgraduallybecoming
A、Herefusedtotakethejobbecauseofthebadfood.B、Hecannotbearthefood’ssmellsohemayquit.C、It’sdifficulttowork
Togetachocolateoutofaboxrequiresaconsiderableamountofunpacking:theboxhastobetakenoutofthepaperbaginwhi
A、Thailand.B、Italy.C、Brazil.D、Iran.C
Ifthereisanysinglefactorthatmakesforsuccessinliving,itistheabilitytoprofitbydefeat.EverysuccessIknowhas
随机试题
简述《外套》中阿卡基.阿卡基耶维奇的形象特点。
女性,20岁,因皮肤紫癜1个月、高热、口腔黏膜血疱,牙龈出血不止2天住院。肝、脾、淋巴结不大,胸骨无压痛。化验:Hb40g/L,WBC2.0×109g/L,Pltl5×109/L。骨髓增生极度减低,全片未见巨核细胞。诊断首先考虑
患儿,6岁。龋坏牙很多,第一恒磨牙萌出2/3,窝沟深,近中点隙卡探针,较好的做法是
采用滤过除菌法滤除细菌时,有效地阻挡微牛物及芽孢通过的滤材孔径应采用
房地产经纪人执业资格注册有效期一般为()年。
当某设备工程的投资偏差为负时,表明( )。
平屋顶装配混凝土板上的细石混凝土找平层厚度一般是()。【2016年真题】
我国国有企业改革的方向是()。
①穿越灾难,我们更加懂得,人类是自然之子,在大自然的怀抱中孕育、进化、生长,我们要认识自然,还要敬畏自然、善待自然。②网络使现代人的阅读行为发生了革命性的变化:眼睛常常在网上快速、便捷地“暴走”,________才进行一次细嚼慢咽式的传统纸质阅读。填入划横
Americanculturehasnotbeenimmunetoculturalinfluencesfromoutside.TheideaofdemocracycamefromtheancientGreeks;th
最新回复
(
0
)