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, but people now live longer than they used to.
Throughout history man has had to accept the fact that all living things must die, but people now live longer than they used to.
admin
2009-04-23
27
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【B1】things still show the effect of aging, which will eventually【B2】death. The body and the【B3】, they do not function as well as they【B4】in childhood and adolescence(青春期). The body provides less【B5】against disease and is more prone(易于……的)【B6】accident.
A number of related causes may【B7】to aging. Some cells of the body have a【B8】long life, but they are not【B9】when they die. As a person ages,【B10】of brain cells and muscle cells decreases. Other body cells did and are replaced by new cells. In an aging person the【B11】cells may not be as viable(能生存的) or as capable【B12】growth as those of a young person.
Another factor in aging may be changes within the cells【B13】. Some of the protein chemicals in cells【B14】known to change【B15】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【B16】. There may be other more important chemical changes in the cells. Some complex cell chemicals,【B17】DNA and RNA, store and【B18】information that the cells need. Aging may【B19】this process and change the information carrying molecules【B20】they do not transmit the information as well.
选项
A、living
B、alive
C、lively
D、lovely
答案
A
解析
词义理解。alive只能作表语,不能作前置定语;lively活泼的;lovely可爱的;living活着的。
转载请注明原文地址:https://kaotiyun.com/show/bs37777K
0
大学英语四级
相关试题推荐
Chalkup(记下)anotherwinforcomputers.Software【C1】________attheUniversityofRochesterinNewYorkhasoutstripped(超过)hum
Rescueworkershadcollected820birdsfromtheGulfofMexicooilspill,themajorityofthemalreadydead.Thecurrentspillp
Appledevelopersaren’ttheonlyoneswhogreetedtheiPad’sreleasewithgratitudeandoptimism.Thetextbookindustry,too,se
Electronictrash,knownase-waste,ispilingupfasterthaneverinAmericanhomesandbusinesses.Peopledonotknowwhattod
Forthispart,youareallowed30minutestowriteashortessayentitledProblemsSingleChildrenConfront.Youshouldwriteat
Domusiclessonsreallymakechildrensmarter?A)Arecentanalysisfoundthatmostresearchmischaracterizestherelationsh
OnJan.11,1964,Dr.LutherTerry,theU.S.surgeongeneraloftheU.S.PublicHealthService,releasedTheSurgeonGeneral’sr
Cubesaren’tusuallythego-toshapewhencreatinganobjectthat’smeanttomovearound,but【C1】________inSwitzerlandhavecre
A、Avisittoseveralcoffee-growingplantations.B、Coffeepricesandhisadvertisingcampaign.C、Avacationonsomebeautifultr
A、Dispensewithexperimentaltesting.B、Predictwhethercompoundsaretoxic.C、Foreseehumanreactiontoantibiotics.D、Combatb
随机试题
________,白露未已。(《诗经.蒹葭》)
暑、火、燥三邪的共同致病特点是()
某企业2015年企业所得税年度纳税申报的应纳税所得额为-120万元(假定以前年度均盈利并缴纳企业所得税)。2016年7月税务机关对该企业的2015年度纳税情况进行税务稽查发现如下问题:(1)2015年度6月企业以上年工资总额的10%标准为全体职工支付补充
借款人需要将其动产或权利凭证移交银行占有的贷款方式为()。
物业管理绩效评价的基本指标中,下列属于财务效益状况指标的有()。
法不是从来就有的,也不是永恒不变的;它是人类社会发展到一定阶段的产物,随着生产力的发展,私有制、阶级和国家的出现而出现。()
某一列车,其首端从站台的A点出发到尾端完全出站都在做匀加速直线运动,站在站台上A点一侧的观察者,测得第一节车厢全部通过A点需要的时间为t1,那么第二节车厢(每节车厢都相同)全部通过A点需要的时间为()。
Alongjourneyincoldweatherisdreadfullytiring.
TheauthorbeginshisarticlewithGeorgeBush’sfather’swordsTheattitudeofthosewhoare"barkingupthewrongtree"towar
WhatwasSteve’sattitudetowardswomenwhowrotelovestories?HelenthoughtStevemightnotbecontentofStrettonbecause___
最新回复
(
0
)