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
69
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、concern to
B、contribute to
C、happen to
D、bring to
答案
B
解析
contribute to意为“促成,有助于”,此句意为:“许多相关的因(原)素都会促成人的老化。”
转载请注明原文地址:https://kaotiyun.com/show/08qC777K
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
Hehadtriedeverythingbutitmadelittle______.
Somepeoplethinkthemoreexpensiveaproductis,thebetteritwillbe.(但事实并非如此).
Manypeoplefindhomegardening______.Theamountofmoneyyouspendonyourgarden______.
Allthe______touristsgavetherobbertheirmoney.
Mary’sdesignisalmostidentical______John’s.
Carsare【B1】importantpartoflifeintheUnitedStates.Withoutacarmostpeoplefeelthattheyarepoor.Andevenifapers
HolidaycelebrationsintheUnitedStatesoften______.Mary’sbirthmother______.
Johnisveryquietandshy,butBillhasaveryoutgoing______(person)andlovestomeetpeople.
Collectingasaserioushobbyisquitedifferentandhasmanyadvantages,(providingrelaxationforleisurehours).
Johnandhisbrotherareso______thattheycouldalmostbetwins.
随机试题
TheWorkers’RoleinManagementTraditionally,ithasbeentheworkers’roletoworkandmanagement’sroletomanage.Managers
曲面2x3-yez-ln(z+1)=0在点(1,2,0)处的切平面方程为_______.
气候分区为1-3-2的地区,数字3代表()。
在项目决策期,形成()。
对于混凝土工程的分部(子分部)工程的质量合格的一项条件是()。
限制延长工作时间的措施包括()。
某健康调查机构在针对淘米习惯的调查中发现,大多数人有多次淘米的习惯。针对这一现象,该机构在其微博上称:做饭前我们习惯淘米,为的是洗掉灰尘或虫子,有时候甚至要反复淘很多遍直到水变清。殊不知这过程中伴随着很多营养素的流失,实在可惜。以下哪项为真,最能加强上述
A.圆孔B.卵圆孔C.棘孔D.眶上裂E.茎乳孔面神经出颅的位置是()。
下列描述中正确的是
Underafixedexchangeratesystemandfreelyflowingcapital,______.
最新回复
(
0
)