首页
登录
职称英语
Throughout history, man has had to accept the fact that all living things mu
Throughout history, man has had to accept the fact that all living things mu
游客
2024-02-12
47
管理
问题
Throughout history, man has had to accept the fact that all living things must die, but people now live longer than they used to. Yet, all【C1】______things still show the effect of aging, which will eventually【C2】______death. The body and the【C3】______, they do not function as well as they【C4】______in childhood and adolescence(青春期). The body provides less【C5】______against disease and is more prone(易于……的)【C6】______accident.
A number of related causes may【C7】______to aging. Some cells of the body have a【C8】______long life, but they are not【C9】______when they die. As a person ages,【C10】______of brain cells and muscle cells decreases. Other body cells did and are replaced by new cells. In an aging person the【C11】______cells may not be as viable(能生存的)or as capable【C12】______growth as those of a young person.
Another factor in aging may be changes within the cells【C13】______. Some of the protein chemicals in cells【C14】______known to change【C15】______age and become less elastic. This is why the skin of old people wrinkles and hangs loose. This is also the reason old people shrink in【C16】______. There may be other more important chemical changes in the cells. Some complex cell chemicals.【C17】______DNA and RNA, store and【C18】______information that the cells need. Aging may【C19】______this process and change the information carrying molecules【C20】______they do not transmit the information as well. [br] 【C15】
选项
A、with
B、within
C、for
D、on
答案
A
解析
with在此处是“随着……”之意。“随着年纪的变老,蛋白质化学成分也随之变化”。其它介词没有这种意义。
转载请注明原文地址:http://tihaiku.com/zcyy/3443430.html
相关试题推荐
[originaltext]Bookswhichgiveinstructionsonhowtodothingsareverypo
[originaltext]Bookswhichgiveinstructionsonhowtodothingsareverypo
Inhistorythereweremanywell-knownpeople______.(经历过失败)whounderwent/suffe
DiscoverybyAccidentInthelonghistoryofman’si
DiscoverybyAccidentInthelonghistoryofman’si
DiscoverybyAccidentInthelonghistoryofman’si
DiscoverybyAccidentInthelonghistoryofman’si
DiscoverybyAccidentInthelonghistoryofman’si
DiscoverybyAccidentInthelonghistoryofman’si
EnvironmentandHealthIssuesWearelivingina
随机试题
Theidealcompanionmachinewouldnotonlylook,feel,andsoundfriendlybu
SevenTypesofEvidenceItisimportanttolearntouseevidencein
[originaltext]W:Hello,CustomersService.WhatcanIdoforyou?M:Icalled
Whatanimalscannotswimfrombirth?Allmammalsexceptmanand_______________
二、考题解析 【教学过程】 (一)导入新课 教师出示两段网络视
下列关于钱工发明专利申请的说法,错误的是()。A.国家知识产权局可以根据钱工
下列除哪项外,均是采录既往史所要求的内容A:过去健康情况 B:预防接种情况
根据竖向工程规划原则,确定出(),并将其标注在区竖向工程规划图上,以箭头表示
编制是非题时,应注意()。 (A)内容以有意义的概念、事实或基本原则为
为预防粉尘的职业危害,地下矿山作业场所空气中粉尘的浓度不能超标。引起尘肺病的主要
最新回复
(
0
)