首页
登录
职称英语
Why Do We Not Live Forever? The human body is composed not of pe
Why Do We Not Live Forever? The human body is composed not of pe
游客
2023-12-19
60
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/3287815.html
相关试题推荐
Thechangesinlanguagewillcontinueforever,butnooneknowssure
WhyDoWeNotLiveForever?Thehumanbodyi
WhyDoWeNotLiveForever?Thehumanbodyi
WhyDoWeNotLiveForever?Thehumanbodyi
WhyDoWeNotLiveForever?Thehumanbodyi
WhyDoWeNotLiveForever?Thehumanbodyi
LeavesofGrasswascomposedby_________.A、WaltWhitmanB、HenryLongfellowC、Emi
WhyDoWeNotLiveForever?Thehumanbodyiscomposednotofpe
WhyDoWeNotLiveForever?Thehumanbodyiscomposednotofpe
WhyDoWeNotLiveForever?Thehumanbodyiscomposednotofpe
随机试题
Theexpertsays______inperformancecanbeappliedsuccessfullytoapolitical
Losingajobornotbeingabletofindonealmostalwaysbringsunwelcomech
Thegrowthofpopulationduringthepastfewcenturiesisnoproofthatpopu
创新思路,加强领导,确保在学生党组织和党员中深入开展创先争优活动取得实效,积极探
电影院、KTV、溜冰场均设置在多层商店建筑内,则该疏散楼梯间按()的要求进
当旅游者因无心之过出现与旅游目的地风俗习惯不协调的行为时,领队应( )。A.及时
虚劳患者,短气自汗,声音低怯,时寒时热,平素易于感冒,舌质淡,脉弱。其证候是A.
证券公司在向客户融资融券前签订的融资融券业务合同中乙方(指证券公司)信息不包括(
(2018年真题)一级公路水泥稳定土路面基层施工,适宜的方法为()。A.厂拌法
发明专利权的期限,自()起计算。A.申请日 B.商标局收到申请书 C.公告发
最新回复
(
0
)