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
2023-09-16
39
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)____________.
[br]
选项
答案
But in the past l00,000 years,even the past l00 years,our lives have been transformed but our bodies have not
解析
转载请注明原文地址:https://tihaiku.com/zcyy/3019047.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【B1】dropstone
随机试题
Themostfamousalumnusofthecollegewereinvitedtoparticipateinthegradua
[originaltext]W:Doyouliketorun?M:Yeah,whenthepolicearechasingme.W
高等学校的基本职能,是培养人才、发展科学、( )。
马克思说:“全部社会生活在本质上是实践的。”这一命题的主要含义是()。 A.
男性,34岁,自幼伤口易出血不止,逐渐双膝关节疼痛肿胀变形。此次因跌倒后出现右侧
治疗喘证痰热郁肺证,应首选( )。A.桑白皮汤 B.麻杏石甘汤 C.苏子降
A.厚朴B.苍术C.广藿香D.独活E.秦艽在一定剂量范围内对胃肠道有兴奋作用,但
大多数房地产经纪人通过广告与媒介收集信息时通常选择()渠道。A:广播电视媒体
对110kV及以上电压等级电缆、35kV及以下电压等级重要线路的电缆,应进行监造
患儿7岁早失,萌出2/3。应怎样处理间隙A.双侧丝圈保持器 B.上颌腭弓保持器
最新回复
(
0
)