看2018年5月13日GRE阅读机经 不再为短阅读速度提不上来而发愁

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2018年5月13日GRE机经其他题型预测：作文/长阅读/逻辑/填空/等价/数学 请走这里

短篇阅读

What makes a worker ant perform one particular task rather than another? From the 1970s to the mid-1980s, researchers emphasized internal factors within individual ants, such as polymorphism, the presence in the nest of workers of different shapes and sizes, each suited to a particular task. Other elements then considered to have primary influence upon an ant’s career were its age—it might change tasks as it got older—and its genetics. However, subsequent ant researchers have focused on external prompts for behavior. In advocating this approach, Deborah Gordon cites experiments in which intervention in a colony’s makeup perturbed worker activity. By removing workers or otherwise altering the nest conditions, researchers were able to change the tasks performed by individual workers.

It can be inferred from the passage that Gordon and earlier researchers would agree with which of the following statements about worker ants?

A. Disruption of the nest can affect workers’ roles.

B. Genetics predominates over other factors in determining a worker ant’s role.

C. An individual worker’s tasks can change during its lifetime.

正确答案

C

题目解析

disruption of the nest 是在文章的后一部分在讨论DG的实验的时候提出来的新的结论，显然这个是不能被earlier researchers认可的。, researchers emphasized internal factors within individual ants, such as polymorphism, the presence in the nest of workers of different shapes and sizes, each suited to a particular task. Other elements then considered to have primary influence upon an ant’s career were its age—it might change tasks as it got older—and its genetics这里面出现的才是二者所共同认可的。所以A选项错误。 B选项，文章显然是没有说过genetics是predominate的，所有的因素没有出现一个排序，B选项错误。 既然年龄可以是一个影响因子，那么年龄变化，task也该变化，即在lifetime中task是改变的。C选项正确。

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