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【51】Yet,
Throughout history man has had to accept the fact that all living things must die, but people now live longer than they【51】Yet,
admin
2012-10-23
42
问题
Throughout history man has had to accept the fact that all living things must die, but people now live longer than they【51】Yet, all living things still show the【52】of aging, which will eventually【53】death.
Aging is not a disease, but as a person passes maturity, the cells of the body and the【54】they form do not function【55】they did in childhood and adolescence. The body provides less【56】against disease mad is more【57】accident.
A number of related causes may【58】aging. Some cells of the body have a fairly long life, but they are not【59】when they, die. As a person ages,【60】of brain cells and muscle cells decreases.【61】body cells die and are replaced by new cells. In an aging person the【62】cells may not be as viable or as【63】growth as those of a young person.
Another【64】in aging may be changes within the cells【65】Some of the protein chemicals in cells are known【66】with age and become less elastic. This is why the skin of old people【67】and hangs loose. This is also the reason old people【68】in height. There may be other more important chemical changes in the cells. Some complex cell chemicals, such as DNA and RNA, store and【69】information that the cells need. Aging may affect this【70】and change the information-carrying molecules so that they do not transmit the information as well.
选项
A、Some old
B、Old
C、The other
D、Other
答案
D
解析
句意:其他身体细胞死亡后被新细胞取代。
转载请注明原文地址:https://kaotiyun.com/show/v29O777K
0
考博英语
相关试题推荐
People’sconfidenceinBlairwasgreatly______byhiswife’smisbehavior.
Peoplewholiketowearredclothesaremorelikelytobetalkativeand______.
Researchersdisagreewhetherthe"useitorloseit"philosophyholdsforcognitiveaging,butthereisoneevidencethatkeepin
Researchersdisagreewhetherthe"useitorloseit"philosophyholdsforcognitiveaging,butthereisoneevidencethatkeepin
Researchersdisagreewhetherthe"useitorloseit"philosophyholdsforcognitiveaging,butthereisoneevidencethatkeepin
Hismotherfrequentlydenieshimpermissiontodothings,andthatis______.
Look,ifyouwereinterestedinscience,itwouldbelikehavingachancetorubshoulderswithpeopleofEinstein’s______.
Ifyoudevelopareputationforbeingabletokeepsecretsotherswill______towardsyouwithusefulnewsandgossip.
Whendepositsarefederallyinsured,peoplenolongerrushtowithdrawtheirmoneyifthey______thefinancialconditionoftheir
随机试题
威尔逊认为,在各种社会监督中,居于核心地位,具有最高权威的是
鸭浆膜炎急性病例濒死期的典型症状是()
管理措施包括()。
信用在经济活动中的基本形态表现为()。
下列属于劳动争议范围的是()。
劳动力地区流动是劳动力市场联系和()联系的纽带;
因港口作业中发生纠纷提起的诉讼,适用()。
Whatisthebestexercisetodotoburncaloriesifyoudon’tlikerunning?
FiveTipsforStudyingAmericanRevolutionAmericanRevolution—ARI.AvoidthedreadedAR(1)______bubble.A.notjustknownam
Itisimportantthathe______tomorrow.
最新回复
(
0
)