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
30
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、do
B、has done
C、did
D、were doing
答案
A
解析
这里说的是一般情况,应用一般现在时形式。
转载请注明原文地址:https://kaotiyun.com/show/v8qC777K
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
Mostpeople______.New-bornbabies______.
Hehadtriedeverythingbutitmadelittle______.
Thepowerofwords,then,liesintheirassociations--thethingstheybringupbeforeourminds.
IncomparingallofEarth’sgeologicalevolutiontoonecalendaryear,theauthorshows______.InthecompressedhistoryofEa
IcannotaffordthecolorTVset.Tome,fourhundreddollars______alotofmoney.
Accordingtotheauthor,reallygoodscience______.Whatistheauthor’sattitudetowardsscience?
Patientsdonotoftenbelievetheyreallyneedsurgery,cuttingintoapartofthebody,treatmentwithdrugs.
SimonHarperwritesfromtheviewpointofsomeonewho______.WhichofthefollowingstatesafactaboutgradesatVillageHigh
—Nancy’sgradesarereallybad.—Yes,butTom’sare______.
随机试题
Franklinhada(n)【C1】______mind.Whenhesawaproblem,hetriedtodosomethingaboutit.ThehousesofPhiladelphiawerebuil
男性尿道两个弯曲是
反相色谱常用的载体有( )。
某甲是某公安局的刑侦人员,根据刑事诉讼法规定,下列哪些情形,某甲应当回避?()
关于生产、销售伪劣商品行为,下列哪一论述是错误的?()
房屋拆迁纠纷的当事人达成仲裁协议的,一方向人民法院起诉,人民法院()。
工程量清单编制由具有编制招标文件能力的( )或受其委托的具有相应资质的中介机构根据统一的工程量清单标准格式、统一的工程量清单项目设置规则、招标要求和施工图纸进行编制。
我国现行税法规定,纳税人销售的应税消费品,如因质量等原因由购买者退回,经所在地主管税务机关审核批准后,可退还已征收的消费税税款。()
A、 B、 C、 D、 B
Anysecuritytakenforlendingshouldbeeasy______.
最新回复
(
0
)