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
专升本
Throughout history man has had to accept the fact that all living things must die, but people now live longer than they【36】. Yet
Throughout history man has had to accept the fact that all living things must die, but people now live longer than they【36】. Yet
admin
2011-04-26
22
问题
Throughout history man has had to accept the fact that all living things must die, but people now live longer than they【36】. Yet, all living things still show the【37】of aging, which will eventually.【38】death.
Aging is not a disease, but as a person passes maturity, the cells of the body and the【39】they form do not function as well as they【40】in childhood and adolescence (青春期). The body provides less【41】against disease and is more prone【42】accident.
A number of related cause may【43】aging. Some cells of the body have a fairly long life, but they are not【44】when they die. As a person ages,【45】of brain cells and muscle cells decrease,【46】body cells die and are replaced by new cells. In an aging person the【47】cells may not be as viable (能生存的) or as capable【48】growth as those of a young person.
Another【49】in aging may be changes within the cells【50】. Some of the protein chemicals in cells are known【51】with age and become less elastic. This is why the skin of old people wrinkles and【52】. This is also the reason old people【53】in height. There may be other more important chemical changes in the cells. Some complex cell chemicals, such as RNA, store and【54】information that the cell need. Aging may affect this【55】and change the information carrying molecules so that they do not transmit the information as well.
选项
A、replaced
B、reborn
C、recovered
D、yielded
答案
A
解析
replaced意为“替代”,该句意为:“某些细胞一旦死亡就再也没有了。”
转载请注明原文地址:https://kaotiyun.com/show/M8qC777K
本试题收录于:
英语题库成考专升本分类
0
英语
成考专升本
相关试题推荐
Mostpeople______.Monkeys______.
Thepowerofwords,then,liesintheirassociations--thethingstheybringupbeforeourminds.
Manypeoplefindhomegardening______.Theamountofmoneyyouspendonyourgarden______.
Sheneedssomecomfort,butIreallycan’tthinkofanything______(suit)tosay.
Almosteveryonefailed______onthefirstday.
Carsare【B1】importantpartoflifeintheUnitedStates.Withoutacarmostpeoplefeelthattheyarepoor.Andevenifapers
Accordingtotheauthor,reallygoodscience______.Itcanbeinferredfromthepassagethatscientistsofthe18thcentury__
Allthestudentswenttothemagicshowyesterday.Itwasreally______.
—Nancy’sgradesarereallybad.—Yes,butTom’sare______.
Forthispartyouareallowed30minutestowriteacompositiononthetopic:MakeOurCitiesGreener.Youshouldwritenoless
随机试题
洪某,男,49岁。平素性情急躁易怒。现症见头摇肢颤,不能自主,伴有头胀,眩晕,项强不舒,口干舌燥,舌红,苔薄黄,脉弦数。其证型为
A焦化厂为民营企业,从业人员1000人,2009年发生生产安全事故2起,造成2人轻伤。该厂因精苯工业废水兑水稀释后外排,被环保部门责令整改。该厂采取的措施是将废水向煤堆喷洒,这样既抑制了扬尘,又避免了废水外排。为防止相关事故发生,该厂于2009年5月20日
某年夏未秋初,某电化厂液氯工段发生液氯钢瓶爆炸。该工段414m2厂房全部被摧毁,相邻的冷冻厂厂房部分倒塌,两个厂房内设备、管线全部损毁,并造成附近办公楼及厂区周围280余间民房不同程度损坏。液氯工段当班的8名工人当场死亡。更为严重的是,爆炸后氯气扩散7km
【背景资料】某安装公司承接了商场(地上5层,地下2层,每层垂直净高5.0m)的自动扶梯安装工程,工程有自动扶梯36台,规格:0.65m/s,梯级宽1000mm,驱动功率10kW。合同签订后,安装公司编制了自动扶梯施工组织与技术方案、作业进度计划等
甲施丁单位的现场劳动安全设施不符合国家规定,监理工程师提出后,项目经理王某仍不采取措施,因而发生重大伤亡事故。
以下关于程序、指令、软件的说法中正确的有()。
民惟邦本,本固邦宁。政府工作的根本目的,是让全体人民过上好日子。保障群众基本生活,不断提高人民生活水平和质量。其中,()是民生之基。
亚太经济合作组织()。
Canearthquakebepredicted?Scientistsare(1)_____programstopredictwhereandwhenanearthquakewilloccur.Theyhopeto(
Wheredoestheconversationmostprobablytakeplace?
最新回复
(
0
)