Complete the summary below using words from the box. Write your answers in boxes 9-13 on your answer sheet. While the Nutcracker

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问题 Complete the summary below using words from the box.
Write your answers in boxes 9-13 on your answer sheet.
While the Nutcracker is more able to cache seeds, the Jay relies【R1】______on caching food and is thus less specialized in this ability, but more【R2】______.
To study their behavior of caching and finding their caches, an experiment was designed and carried out to test these two birds for their ability to remember where they hid the seeds.
In the experiment, the cacher bird hid seeds in the ground while the other【R3】______. As a result, the Nutcracker and the Mexican Jay showed different performance in the role of【R4】______at finding the seeds — the observing【R5】______didn’t do as well as its counterpart.
less more solitary social cacher observer
remembered watched Jay Nutcracker
【R1】

选项

答案less

解析 利用语法分析,该题只能填副词,选项中只有“less”和“more”可以待选,其他排除。再利用细节信息“Jay”和“caching food and less specialized in this ability”定位于段落F倒数第三行“the Mexican jay will also cache food but is much less dependent uponthis than the nutcracker”。题目信息“less specialized”对应原文“less dependent uponthis”,所以答案为less。
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