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Sexual selection, a mechanism of evolution that can drive the appearance of bright feathers and elaborate horns, is often assu
Sexual selection, a mechanism of evolution that can drive the appearance of bright feathers and elaborate horns, is often assu
admin
2022-02-15
85
问题
Sexual selection, a mechanism of evolution that can drive the appearance of bright feathers and elaborate horns, is often assumed to operate largely among males.【B1】________a fresh look at the data suggests it is more widespread among females than many researchers【B2】________
It was Charles Darwin who【B3】________suggested that males often compete【B4】________other males for females to mate with-which he argued could help explain why, for instance, some male birds have【B5】________bright plumage【B6】________this makes them a more obvious【B7】________for predators.
More recently, biologists have begun to realize that sexual selection【B8】________widely among females too, although Tim Janicke at the Centre for Functional and Evolutionary Ecology in France and his colleagues say it is still assumed to be a【B9】________peculiarity.
Now, Janicke and his colleagues have【B10】________evidence of female-orientated sexual selection in 72 species across the animal kingdom from scientific literature【B11】________between 2015 and 2020. They say the analysis suggests that【B12】________for mates in females should be considered the【B13】________
" We believe that our view of how we see sex differences in【B14】________, and also sexual selection in particular, is still very【B15】________towards males," says Janicke.
The analysis shows evidence of female sexual selection in a broad【B16】________of animals.【B17】________, in various species of pike, it is the female that is more colorful, with more【B18】________to attract mates. And in some tropical wading birds, such as jacanas, females fight each other【B19】________the attention of the highest quality male. The researchers invite investigators to spend more time studying such behavior in females.
" Sexual selection is a process that may【B20】________any sex," says Ingrid
at Uppsala University in Sweden.
【B16】
选项
A、reach
B、scope
C、scale
D、range
答案
[D]
解析
本题考查名词辨析。四个选项分别为[A]reach“波及范围,影响范围(特指伸手可达到的距离或非常近的距离,其比喻含义指能力、权力、影响等可达到的范围)”;[B]scope“(题目、组织、活动等的)范围”;[C]scale“(尤指与其他事物相比较时的)规模,范围,程度;等级,级别”;[D]range“一系列;(变动或浮动的)范围,界限,区间(代表的是一个可以测量的范围,在这个范围内包括一系列可变化的数量)”。空格16处指的是动物的种类范围,故选项[D]正确。
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0
考研英语一
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