4周搞定2000+托福核心词
secur = se(分离) + cur(照顾) = 不再照顾→不担忧→安全的
selective = se(分离) + lect(选择) + ive(...的) = 选出分开的→选出来的→选择的
collectively = col(共同) + lect(选择) + ive(...的) + ly(表副词) = 共同选择地→全体地
collector = col(强调) + lect(选择) + or(器物) = 收藏器
abrasion = ab(表加强) + ras(刮擦) + ion(表名词) = 磨损
abstraction = abs(离去) + tract(拉) + ion(表名词) = 被拉开→抽象
选出来→选择
selection
常考释义
And we saw how important habitat selection is when we look at habitats where some of these factors are removed, perhaps through habitat destruction.
我们可以看到当这些因素被移除的时候，这些栖息地的选择是多么的重要。
来源于：听力OFFICIAL8 L1n. 选择；挑选；选拔
She stood little chance of selection.
她被选中的可能性不大。
Dancer will perform a routine of their own selection.
每位学员都要表演一段自选舞蹈。
来自《舞出我人生4-革命》
图片源自网络
And we saw how important habitat selection is when we look at habitats where some of these factors are removed, perhaps through habitat destruction.
我们可以看到当这些因素被移除的时候，这些栖息地的选择是多么的重要。
来源于：听力OFFICIAL8 L2With active habitat selection, an organism is able to physically select where to live and breed.
但是如果是积极的栖息地选择，生物就会在生理意义上选择它们生长繁殖的地方。
来源于：听力OFFICIAL8 L2The answer we propose, of course, is that their behavior is largely a matter of natural selection.
我们当然希望这些问题的答案能与自然选择拉上关系。
来源于：听力OFFICIAL16 L5Thus, natural selection stabilized this host-parasite relationship.
这样，自然选择便使得寄主-寄生虫的关系趋于稳定。
来源于：阅读OFFICIAL17 P3At times, it is actually possible to watch the effects of natural selection in host-parasite relationships.
有时候，寄生关系的自然选择效应也可能在现实中被观察到。
来源于：阅读OFFICIAL17 P3Natural selection favors the parasites that are best able to find and feed on hosts.
自然选择青睐那些寻找寄主并且寄生能力强的寄生虫，同时，防御能力强的寄主也被选择出来。
来源于：阅读OFFICIAL17 P3We believe it played a pivotal role in the evolution of the pronghorn antelope, the antelope’s amazing speed, to be exact, because natural selection would favor those antelope that could outrun a cheetah.
我们相信它在叉角羚的 进化中起重要的作用，精确来讲，羚羊惊人的速度是一种自然选择的结果，因为只有能跑过 印度豹的羚羊才能生存下来。
来源于：听力OFFICIAL22 L5So once natural selection had shaped the adaptations that helped plants overcome the obstacles to terrestrial living, plants prospered and diversified.
所以，一旦自然选择塑造了植物的适应机制，使之克服在陆地生活的障碍，植物物种就生机勃勃且丰富多样了。
来源于：阅读OFFICIAL25 P3Thus species selection is actually a result of individual selection.
因此物种选择实际上是个体选择的结果。
来源于：阅读OFFICIAL29 P2Only the individuals of a species are subject to the pressures of natural selection.
只有某一物种中的个体才能面临自然选择的压力。
来源于：阅读OFFICIAL29 P2The evolutionary effect of competition on species has been referred to as “species selection”; however, this description is potentially misleading.
竞争对进化的影响称为“物种选择”，但这一描述有很大误导性。
来源于：阅读OFFICIAL29 P2From the demes, by either election or selection, came 500 members of a new council, 6,000 jurors for the courts, 10 generals, and hundreds of commissioners.
群落中，通过选举或评选产生一个由500名成员组成的新理事会，6000名法庭陪审员，10位将军，数百名委员。
来源于：阅读OFFICIAL40 P1More recent data, however, provide additional support for Kettleweir's ideas about natural selection.
然而，更近期的数据为Kettlewell的自然选择学说提供了更多的支持。
来源于：阅读OFFICIAL36 P3The action of natural selection in producing a small but highly significant step of evolution was seemingly demonstrated, with birds as the selecting force.
这种自然选择使得桦尺蠖出现了一步步微小但重要的进化。这个把鸟类视为桦尺蠖进化动力的理论似乎说得通。
来源于：阅读OFFICIAL36 P3If natural selection was the explanation, then there should be different survival rates for dark- and light- colored moths.
如果这个理论是正解，那么黑色桦尺蠖和浅色桦尺蠖的存活率应该有区别。
来源于：阅读OFFICIAL36 P3The idea that natural selection was responsible for the changing ratio of dark- to light-colored peppered moths was developed in the 1950s by H. B. D. Kettlewell of Oxford University.
在20世纪50年代，牛津大学的H. B. D. Kettlewell提出，自然选择可以解释桦尺蠖种群里黑色桦尺蠖和浅色桦尺蠖数量比例的变化。
来源于：阅读OFFICIAL36 P3The idea of natural selection is that organisms in a species that have characteristics favoring survival are most likely to survive and produce offspring with the same characteristics.
自然选择的思想是：一个物种里拥有有利于生存的特征的个体更容易生存下来并产生相同特征的后代。
来源于：阅读OFFICIAL36 P3The selection of Manteno, Illinois, as a stop of the Illinois Central, for example, transformed the site from a crossroads without a single house in 1854 into a bustling town of nearly a thousand in 1860, replete with hotels, lumberyards, grain elevators, and gristmills.
例如，伊利诺斯州中央铁路公司选择曼蒂诺（伊利诺斯州一处地名）建造了车站，使这个小村庄从1854年一个廖无人烟的岔道口转变为了1860年将近有一千人的繁华小镇，酒店、贮木场、谷物升降机、磨坊随处可见。
来源于：阅读OFFICIAL50 P1n. 选集；精选
This selection of popular songs covers the most popular songs.
这个流行歌曲选集收录了最流行的歌曲。
Go back and listen to the song selection and this time pay attention to the melody, to repetition, to the …
回去听一下歌的选段，然后这一次要注意旋律、重复…
来源于：听力OFFICIAL29 L4n. 供选择的范围
We have London's largest selection of office furniture.
我们出售的办公家具品类是全伦敦最丰富的。
n. 选中的事物
The TV shows a dramatic rendition of selections from Dickens' A Christmas Carol.
电视上正在播放以戏剧形式演绎的狄更斯《圣诞颂歌》节选片段。
n. 选择【生】
We can find out the importance of sexual selection in evolution.
我们可以发现进化中性选择的重要性。
n. 以优越条件选购的土地【史】<澳>
n. 种子赛马；种子马匹【赛马】
n. （以优越条件）选购土地【史】<澳>
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