首页
登录
职称英语
Why Do We Not Live Forever? The human body i
Why Do We Not Live Forever? The human body i
游客
2023-12-20
18
管理
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. [br] 【M5】
选项
答案
将insure改成ensure。
解析
前者一般表示“保险”,后者表示“确保”。
转载请注明原文地址:https://tihaiku.com/zcyy/3291108.html
相关试题推荐
WhyDoWeNotLiveForever?Thehumanbodyi
WhyDoWeNotLiveForever?Thehumanbodyi
WhyDoWeNotLiveForever?Thehumanbodyi
WhyDoWeNotLiveForever?Thehumanbodyi
WhyDoWeNotLiveForever?Thehumanbodyi
WhyDoWeNotLiveForever?Thehumanbodyiscomposednotofpe
WhyDoWeNotLiveForever?Thehumanbodyiscomposednotofpe
WhyDoWeNotLiveForever?Thehumanbodyiscomposednotofpe
WhyDoWeNotLiveForever?Thehumanbodyiscomposednotofpe
WhyDoWeNotLiveForever?Thehumanbodyiscomposednotofpe
随机试题
电网的相间距离保护只在相间短路才动作,在接地短路时不可能动作。
肺动脉瓣血流频谱特点以下错误的是A.肺动脉瓣上收缩期出现 B.正常时呈单峰负向
关于妊娠期循环系统的生理改变,下列选项错误的是:()A.孕妇心电图常
影响维生素B吸收的主要因素是A.浓茶 B.内因子缺乏 C.碳酸氢盐 D.四
据某知名房产中介机构统计,2010年9月份第二周全国十大城市的商品房成交量总体呈
近日,面对餐饮浪费现象,习近平总书记作出重要指示,强调在全社会营造浪费可耻、节约
根据《刑事诉讼法》,关于人民法院职能的说法,正确的是()A.为了保证诉讼顺利进
《火灾分类》(GB/T4968)按物质的燃烧特性将火灾分为:A类火灾、B类火灾
男性,66岁,2型糖尿病12年,长期口服格列苯脲15mg和二甲多胍1.5g,近两
关于地方性法规批准和备案的说法,正确的是( )。2016A、设区的市的地方性法
最新回复
(
0
)