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The passage focuses on .

单选题
2022-01-02 02:39
A、why Pepperberg decided to carry out the experiment
B、how Pepperberg proved her theory abottt animals' thoughts
C、the new way of communication Pepperberg proposed
D、the problems that Pepperberg faced in the experiment
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正确答案
B

试题解析
文章主旨题。文章主要讨论了Pepperberg从选择Alex做试验到证明其观点的过程,因此B项符合题意。 参考译文: 近期毕业于哈佛大学的Irene Pepperberg在1977年曾做过一个非常勇敢的尝试,她试图通过对话的方式了解其他生物的思维。她买了一只一岁的非洲灰鹦鹉,取名Alex并带到她的实验室教它复述英语发音。Alex是Pepperberg在芝加哥一家宠物店买到的,她让店员替她挑选以免其他科学家说她刻意挑选了一只格外聪明的鸟作为实验对象。得知Alex的大脑只有胡桃大小,大多数的研究者认为Pepperberg跨种族交际研究将会以失败告终。 Alex去年九月以31岁高龄去世。当Pepperberg刚开始与Alex对话时,许多科学家认为动物是无法进行思维的。但是Pepperberg说:“我认为如果它学会交流,我就可以询问它对世界的看法。”当然她无法询问Alex在想什么,但是她可以问它所掌握的关于数字、形状以及颜色的知识。作为示范,Pepperberg拿出一片绿色的钥匙和一只绿色的杯子放到Alex眼前。 “相同之处是什么?”她问。 A1ex毫不犹豫的回答:“颜色。”“不同之处是什么?”她又问。 “形状,”Alex回答。它的声音像是卡通角色的电子声一般,但是所用的词汇以及可以称之为思想的东西完完全全是属于它自己的。 随后,仿佛要证明它的脑袋里是有思想这个事实一般,Alex在Pepperberg实验室里另一只年轻些的鸟将“green”这个词的读音弄错时大声说道:“说清楚点!”“为了分辨水果是否成熟,它们需要区别颜色,”Pepperberg谈到,“为了辨识敌人,他们需要辨别形状。为了跟随自己的族群,他们需要拥有数字的概念。对于一只长命的鸟来说,它不可能完全依靠动物本能来做到这一切,认知的能力是必不可少的。”

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