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
Why Do We Not Live Forever? The human body is composed not of perishable materials like wood or metal, but of living cells t
Why Do We Not Live Forever? The human body is composed not of perishable materials like wood or metal, but of living cells t
admin
2010-03-25
39
问题
Why Do We Not Live Forever?
The human body is composed not of perishable
materials like wood or metal, but of living cells
that can grow and replenish themselves. However if the body’s 【M1】______
individual units are renewable, why do we not live forever?
Theologians explain that Adam and Eve were refused 【M2】______
mortality and expelled from Eden because they disobeyed God. 【M3】______
Evolutionary biologists hold that natural selection favors
genes that promote having many offsprings to those that 【M4】______
might insure longer life. In their view, life span is a trade-off 【M5】______
between fertility and longevity, and infinite life would be allied with childlessness and rapid extinction.
A chance discovery that a Texas biologist has provided a 【M6】______
different kind of explanation. The biologist, Dr. Lawrence
Donehower of the Baylor College of Medicine in Houston, has
found that age seems to be a necessary cost of suppressing 【M7】______
cancer.
The finding concerns with an intensively studied cellular 【M8】______
agent that is the body’s first line of defense
against tumors. The agent is known to biologists with the 【M9】______
humble name of p53—p for protein, 53 a measure of its weight.
In fact, p53 is one of most important hubs in the living cell’s vast 【M10】______
network of interacting components. Many circuits that monitor
different aspects of the cell’s integrity report back to p53
【M4】
选项
答案
将to改成over。
解析
favor A over B相当于prefer A to B,不过favor的主语不一定是人。
转载请注明原文地址:https://kaotiyun.com/show/oTqO777K
0
专业英语八级
相关试题推荐
Allherlife,MrsFosterhadhadanalmostpathologicalfearofmissingatrain,aplane,aboat,orevenatheatercurtain.In
AnyrequestintheUnitedKingdomtoremoveadisabledperson’sabilitytoreproduceshouldbetreatedwithgreatcaution.Then
A、Your10%discountisnotenoughforasecondorder.B、Youshoulddeliverthesecondordernextmonth.C、Wecangiveyouadisc
悉尼(Sydney)是个非常现代化的城市,但也有许多历史名胜古迹。在市中心,你依然可以看到一些很久以前就建造在那里的老房子。
A、Ithasatutorialsupervisionsystem.B、Ithasprogressiveideasoneducation.C、Itsprofessorsaremoreinterestedinresearc
A、NowAmericanmencanlivefiveyearslongerthanexpected.B、AnordinaryAmericanwomanlivesahappierlife.C、InAmerica,th
Americanstodayhavedifferenteatinghabitsthantheyhadinthepast.Thereisawide【C1】______offoodavailable.Theyhave
A、TheUSplanofdeployingamissiledefenseshieldinCentralEurope.B、ThedevelopmentinAfrica.C、Tran’snuclearprogramand
Accordingtotheauthorwhichofthefollowingisinevitable?Intheanimalkingdomthestruggleforexistence
GoalTrimmerUtopiasaresupposedtobedreamsofthefuture.ButtheAmericanUtopia?Latelyit’sadreamthatwas,atwilit
随机试题
雀啄脉的脉象表现是
孕妇用药对胎儿最安全的一类药物是动物实验证实对胎仔有致畸或杀灭胚胎作用,人类缺乏研究资料的药物称为
某项目欲发行债券筹集5000万元,筹资费率2%,债券利率3.5%,则资金成本为( )。
基坑支护与降水工程、土方开挖工程、模板工程、起重吊装工程、脚手架工程、拆除、爆破工程应编制()。
在一起共同犯罪案件中,犯罪嫌疑人王某被公安机关依法取保候审,犯罪嫌疑人张某被公安机关依法监视居住。对王某和张某来说,他们都应当遵守的规定包括()。
某银行业务人员向当地一家集团公司争取存款的时候,为了避免商业贿赂的嫌疑,自己掏钱请该公司相关负责人去国外旅游一次,使该负责人感到应当与该银行进行交易,并最终使该银行得到了这笔业务。这种行为属于正常的营销手段。()
根据下列资料,回答116—120题。2017年1~8月,W省完成民间固定资产投资(以下简称民间投资)10287.23亿元。同比增长12.6%,比全国民间投资增速快6.2个百分点,比上年同期快10.2个百分点.比上半年和一季度分别加快1.1个和6.0个百分
下列有关我国的科技成就,属于改革开放前取得的是()。
数据独立性分为逻辑独立性与物理独立性。当数据的存储结构改变时,其逻辑结构可以不变,因此,基于逻辑结构的应用程序不必修改,称为【 】。
JackandnotI______theGreatWalltwice.
最新回复
(
0
)