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
66
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
Somepeoplewillbeatalosswhattodo(incaseofafire).
Mostpeople______.Weliveinaright-handedworld.Itmeans______.
Mostpeople______.Monkeys______.
Mostpeople______.Mostofusareright-handedand______.
WhydidStanleyWilliamswriteanti-gangbooks?WhatdoesWilliamsreallywanttotellyoungpeople?
Sheneedssomecomfort,butIreallycan’tthinkofanything______(suit)tosay.
Allthe______touristsgavetherobbertheirmoney.
Ithasbeenoftensaidbypeopleinvolvedinlanguageteachingthatastudentwhoreallywantstolearnwillsucceedwhateverth
HolidaycelebrationsintheUnitedStatesoften______.TheWebster’sare______.
WhydidKathyAllenneedtofindherbirthmother?Whichofthefollowingstateshaveopenadoptionrecordlaws?
随机试题
关于用药途径,以下哪项是正确的
世界各大宗教中,佛教是创立时间最早的一种宗教。()
(2008年)某种理想气体的总分子数为N,分子速率分布函数为f(v),则速率在v1~v2区间内的分子数是()。
全玻幕墙面板与玻璃肋的连结用胶应用()。
某通信机房设置七氟丙烷预制灭火系统,该系统应有()种启动方式。
根据破产法律制度的规定,下列各项中,属于债权人会议职权的有()。
行为主导型的绩效考评适合于对()的工作进行考评。
下列术语中,属于显示器性能指标的是_______。
—Lookatthenotesbelow.—Youwillhearawomanleavingamessageaboutameeting.TODAYBUSINESSMAGAZINE
Mosthistorianssaythatthebeginningofthemodemcivilrights【B1】______intheUnitedStateswasDecember1,1955.Thatwast
最新回复
(
0
)