首页
登录
职称英语
There are about 105 males born for every 100 females, but this (36)______ dr
There are about 105 males born for every 100 females, but this (36)______ dr
游客
2023-09-01
57
管理
问题
There are about 105 males born for every 100 females, but this (36)______ drops to near balance at the age of maturity, and among 70-year olds there are twice as many women as men. But the great universal of male (37)______ is being changed. Now, boy babies (38)______ almost as well as girls do. Fifty years ago, the chance of a baby(particularly a boy baby)surviving depended on its weight. A kilogram too light or too heavy (39)______ almost certain death. Today it makes almost no (40)______. Since much of the variation is due to genes, one more agent of evolution has gone.
There is another way to (41)______ evolutionary suicide: stay alive, but have fewer children. Few people are as (42)______ as in the past. Nowadays the number of births, like the age of death, has become (43)______. Again, (44)____________.
For us, this means that evolution is over; the biological Utopia has arrived. Strangely, it has involved little physical change. No other species fills so many places in nature. (45)____________. We did not evolve, because machines and society did it for us. Darwin had a phrase to describe those ignorant of evolution: they "look at an organic being as a savage looks at a ship, as at something wholly beyond his Comprehension." No doubt we will remember a 20th century way of life beyond comprehension for its ugliness. (46)____________.
选项
答案
ratio
解析
转载请注明原文地址:http://tihaiku.com/zcyy/2975965.html
相关试题推荐
Thereareabout105malesbornforevery100females,butthis(36)______dr
Thereareabout105malesbornforevery100females,butthis(36)______dr
Thereareabout105malesbornforevery100females,butthis(36)______dr
Thereareabout105malesbornforevery100females,butthis(36)______dr
Thereareabout105malesbornforevery100females,butthis(36)______dr
Thereareabout105malesbornforevery100females,butthis(36)______dr
Thereareabout105malesbornforevery100females,butthis(36)______dr
Thereareabout105malesbornforevery100females,butthis(36)______dr
Thereareabout105malesbornforevery100females,butthis(36)______dr
Thereareabout105malesbornforevery100females,butthis(36)______dr
随机试题
Wheneveryouseeanoldfilm,evenonemadeaslittleastenyearsbefore,y
Asstateandfederalauthoritiesannouncedthedetailsoftheir$26billion
[originaltext]W:Hi,Peter.M:Judy,Ihaven’tseenyouinweeks.Wherehaveyo
下列说法中,属于金融风险管理流程环节的是( )。A.风险识别 B.风险评估
下列不属于明挖基础的是( )。A.刚性扩大基础 B.条形基础 C.钻孔灌注
A.失读症 B.失写症 C.感觉性失语症 D.命名性失语症 E.运动性失
对乔本甲状腺炎有诊断意义的是A.抗甲状腺球蛋白微粒体抗体B.抗乙酰胆碱受体抗体C
看涨期权赋予期权购买者()。 A.有买人的权利B.有卖出的权利 C.有选
下列各项属于移动智能业务的是( )。 A.语音信箱 B.号码识别
根据《职业病防治法》,新建、扩建、改建建设项目和技术改造、技术引进项目可能产生职
最新回复
(
0
)