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
34
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、do
B、has done
C、did
D、were doing
答案
A
解析
这里说的是一般情况,应用一般现在时形式。
转载请注明原文地址:https://kaotiyun.com/show/v8qC777K
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______.Weliveinaright-handedworld.Itmeans______.
Mostpeople______.Mostofusareright-handedand______.
It’struethattheoldroadislessdirectandabitlonger.Wewon’ttakethenewone.______,becausewedon’tfeelassafeon
It______thepostofficetimeifpeopleaddresslettersproperly.
Manypeoplefindhomegardening______.Whichofthefollowingstatementsistrue?
Accordingtotheauthor,reallygoodscience______.Theauthorbelievesthat______.
IntheUnitedStatesthefamilyplaysanimportantroleinmostholidayactivities.NovemberisNationalAdoptionMonth.Wevisi
Johnisveryquietandshy,butBillhasaveryoutgoing______(person)andlovestomeetpeople.
IntheUnitedStates,teachingisveryimportant.Ifteachersdonotteachwell,studentscomplain.Ifmanystudentsdonotunde
Collectingasaserioushobbyisquitedifferentandhasmanyadvantages,(providingrelaxationforleisurehours).
随机试题
电烙铁有那几种?恒温烙铁有和优点?
下面属于罗贯中的杂剧作品的是()
张某1996年外出打工不久即下落不明,于2002年被宣告死亡。张某之妻刘某在张某被宣告死亡后半年内又与王某结婚,婚后一年因与王某性格不合而分居。刘某因无力抚养其与张某所生独子而将孩子送养。2005年张某回到老家,经申请由人民法院撤销死亡宣告。关于本案当事人
良好的声誉风险管理已经成为商业银行的主要竞争优势,有助于提升商业银行的盈利能力和实现长期战略目标。()
风险文化一般由()三个层次组成。
与固定资产有关的更新改造等后续支出,符合固定资产确认条件的,应当计入固定资产成本,同时将被替换部分的账面价值扣除。()
下列各项,应计入营业外收入的有()。
毛泽东同志总结中国近代历次运动失败时曾说:“没有农民办不成大事,光有农民办不好大事。”下列事件属于“光有农民办不好大事”的是()。
民族振兴和社会进步的基石是()
【S1】【S10】
最新回复
(
0
)