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
55
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
【M8】
选项
答案
将with去掉。
解析
concern表示“关于、涉及”时为及物动词,相当于be concerned with。
转载请注明原文地址:https://kaotiyun.com/show/KUqO777K
0
专业英语八级
相关试题推荐
AnyrequestintheUnitedKingdomtoremoveadisabledperson’sabilitytoreproduceshouldbetreatedwithgreatcaution.Then
Tenyearsago,insettlingthelargestcivillawsuitintheUShistory,thetobaccoindustryagreedtopaythe50states$246bi
Now,thelocationofyourcollege.Somecollegesareinthecenterofhugecities,some【C1】______,andsomearesurroundedbyfi
Thepocketcalculatorhasbeenrelegatedtotheroleofagraphiciconondigitalscreensratherthananobjectinitsownright
A、Fastfoodshouldbeavoidedbecauseithaslittlenutritiousvalue.B、Fastfoodbecomespopularbecauseofourfastpacedlife
A、Smallcutsandminorgrazesusuallyneedlittleornotreatment.B、Smallcutsandminorgrazesaretoouncommontobeneglecte
Americanstodayhavedifferenteatinghabitsthantheyhadinthepast.Thereisawide【C1】______offoodavailable.Theyhave
OnecharacteristicoftherichclassesofadecliningsocietyistheirtendencytoWhichofthefollowingisNOTanelementof
WhatisthecauseoftheproblemthatpeoplelivingonpartsofthesouthcoastofEnglandface?Theexperts’studyontheprob
HowtheSmallpoxWarWasWonTheworld’slastknowncaseofsmallpoxwasreportedinSomalia,theHornofAfrica,inOctober
随机试题
清初戏剧创作形成了若干流派.这些流派有()
试述产品质量战略的类型及战略方案。
e2
下列虫卵在处理标本时对工作人员的感染危险性最大的是
用事故发生的频率和事故后果的严重程度来判断安全风险的等级时,若事故发生的频率极小,事故后果的严重程度为重大损失(严重伤害),则安全风险所属的等级为( )。
关于海关的估价方法,下列哪些叙述是错误的?()
再贴现率是中央银行对()。
我国现行税法规定,税务机关可以委托工商行政管理机关代售印花税票,并按代售金额的5%支付代售手续费。()
黎锦晖(1891—1967)是中国流行音乐的奠基人,他创作过儿童生活、爱情、爱国题材的音乐作品,请论述他为推动中国音乐教育的现代化作出的贡献。
Youmightaswell______yourmoneyasspenditingambling.
最新回复
(
0
)