首页
登录
职称英语
There are about 105 males born for every 100 females, but this【B1】______ dro
There are about 105 males born for every 100 females, but this【B1】______ dro
游客
2024-06-02
1
管理
问题
There are about 105 males born for every 100 females, but this【B1】______ 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【B2】______ is being changed. Now, boy babies【B3】______ 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【B4】______ almost certain death. Today it makes almost no【B5】______ . Since much of the variation is due to genes, one more agent of evolution has gone.
There is another way to【B6】______ evolutionary suicide: stay alive, but have fewer children. Few people are as【B7】______ as in the past. Nowadays the number of births, like the age of death, has become 【B8】______ .Again,【B9】______ .
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.【B10】______ . 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 re- member a 20th century way of life beyond comprehension for its ugliness.【B11】______ . [br] 【B10】
选项
答案
But in the past 100,000 years, even the past 100 years, our lives have been transformed but our bodies have not
解析
[Main Points] But in the past 100,000 years,even the past 100 years,our lives have been transformed but our bodies haven’t
转载请注明原文地址:https://tihaiku.com/zcyy/3616834.html
相关试题推荐
Thereareabout105malesbornforevery100females,butthis【B1】______dro
Thereareabout105malesbornforevery100females,butthis【B1】______dro
Thereareabout105malesbornforevery100females,butthis【B1】______dro
Thereareabout105malesbornforevery100females,butthis【B1】______dro
Thereareabout105malesbornforevery100females,butthis【B1】______dro
Thereareabout105malesbornforevery100females,butthis【B1】______dro
Thereareabout105malesbornforevery100females,butthis【B1】______dr
Thereareabout105malesbornforevery100females,butthis【B1】______dr
Thereareabout105malesbornforevery100females,butthis【B1】______dr
Thereareabout105malesbornforevery100females,butthis【B1】______dr
随机试题
[originaltext]M:Goodmorning,CanIhelpyou?W:Hello,mynameisMissBristo
Inthesummerof1896,Mr.WilliamHolt,awealthymanufacturerofChicago,
A.digB.avoidsC.deliberatelyD.rememberingE.judgingF.eventG.f
[originaltext]Almostone-fifthofEurope’swoodbeetlesareatriskofextincti
沙眼衣原体患者感染新生儿的最常见途径是A、宫内感染 B、产道感染 C、剖
重金属检查中加入下列哪种物质能消除三价铁盐的干扰()A.稀硫酸 B.稀
B
下列建筑外墙所采用的装饰材料中,不符合相关规范要求的是()。A.建筑高度为2
下列关于商业银行资本充足率压力测试的说法中最不恰当的一项是()。A.商业银行应结
全面结算会员期货公司不得受托为其客户以及非结算会员办理金融期货结算业务。( )
最新回复
(
0
)