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
外语
Throughout history man has had to accept the fact that all living things must die, hut people now live longer than they used to.
Throughout history man has had to accept the fact that all living things must die, hut people now live longer than they used to.
admin
2010-07-24
102
问题
Throughout history man has had to accept the fact that all living things must die, hut 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【C19】______. 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.
【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”。其他介问没有这种意义。
转载请注明原文地址:https://kaotiyun.com/show/seN7777K
0
大学英语四级
相关试题推荐
Wefindthatbrightchildrenarerarelyheldbackbymixed-abilityteaching.Onthecontrary,boththeirknowledgeandexperienc
Americansocietyisnotnap-friendly.Infact,there’sevena【B1】______againstadmittingweneedsleep.Nobodywantstobecaugh
Americansocietyisnotnap-friendly.Infact,there’sevena【B1】______againstadmittingweneedsleep.Nobodywantstobecaugh
Throughouthistorythebasicunitofalmosteveryhumansocietyhasbeenthefamily.Membersofafamilylivetogetherunderthe
A、Thepersonalmanagershouldbefiredforinefficiency.B、Afewengineersshouldbeemployedtomodernizethefactory.C、Theen
RecyclingOneofthemostimportantchangesinhowmodernsocietiesrespondtotheproblemsofwasteanditsdisposalisthe
A、Shethinksitmakesgoodsense.B、Shethinksit’sunreasonable.C、Shethinksitshouldhavebeenimplementedsooner.D、Shethi
A、Computersandbusinesscourses.B、Coursestoearndegrees.C、Repairingcourse.D、Cookingcourse.D
A、Tomakehimuncomfortable.B、Tocauseevilspiritsdiscomfort.C、Todefeatevilspirits.D、Torelievehimofpain.B
______(不管我们会遇到什么样的困难),weareconfidentinfinishingtheprojectontime.
随机试题
下列选项中,可以强制债务人继续履行的是()
随访观察某种肿瘤病人1000人手术后的治疗效果,没有失访,随访的第一年内因该肿瘤死亡的200人,第二年死亡人数为240人,第三年死亡人数为168人。则该肿瘤的3年生存率的算法为
酸枣仁的性味是
外科医生穿无菌手术衣和戴无菌手套后,属于无菌区域的有()。
苯酚和甲醛在酸或碱催化作用下,生成物是()。
下列各项属于工程咨询管理方面的风险因素是()。
除下列()情况以外,其他均可增强供应商的讨价还价能力。
《中华人民共和国食品安全法》规定,预包装食品的包装上应当有标签。标签中应当标明()。
关于宇宙起源的科学发现——1998年英译汉及详解Theywere,byfar,thelargestandmostdistantobjectsthatscientistshadeverdetected:astripof
Theyhavethecapabilitytodestroytheenemyinafewdays.
最新回复
(
0
)