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一、原文翻译
If you ever get the impression that your dog can "tell" whether you look content or annoyed, you may be onto something. 如果你觉得你的狗狗可以“分辨”你看起来是满意还是生气，那你可能发现了一些东西。 Dogs may indeed be able to distinguish between happy and angry human faces, according to a new study
根据一项新的研究，狗也许确实能够分辨人类高兴和生气的脸
Researchers trained a group of 11 dogs to distinguish between images(图像)of the same person making either a happy or an angry face. 研究人员训练一组11只狗区分相同的人快乐或愤怒的脸的图像。 During the training stage, each dog was shown only the upper half or the lower half of the person"s face. 在训练阶段，每只狗只看到人的上半张脸或下半张脸。 The researchers then tested the dogs" ability to distinguish between human facial expressions by showing them the other half of the person"s face on images totally different from the ones used in training. 然后，研究人员通过给狗狗展示与训练中完全不同的人的另一半脸来测试它们区分人类面部表情的能力。 The researchers found that the dogs were able to pick the angry or happy face by touching a picture of it with their noses more often than one would expect by random chance.
研究人员发现，狗狗们能够通过用鼻子触摸图片来选择愤怒或快乐的面孔，次数比人们预期的随机次数要多。
The study showed the animals had figured out how to apply what they learned about human faces during training to new faces in the testing stage. 研究表明，这些动物已经知道如何在测试阶段将它们在训练中所学到的人脸知识应用到新面孔上。 "We can rule out that the dogs simply distinguish between the pictures based on a simple cue, such as the sight of teeth," said study author Corsin Muller. 研究作者科辛·穆勒说:“我们可以排除狗只是根据简单的线索来区分图片，比如看到牙齿。” "Instead, our results suggest that the successful dogs realized that a smiling mouth means the same thing as smiling eyes, and the same rule applies to an angry mouth having the same meaning as angry eyes."
“相反，我们的结果表明，成功的狗，意识到微笑的嘴和微笑的眼睛是一样的，同样的规则也适用于生气的嘴和生气的眼睛。”
"With our study, we think we can now confidently conclude that at least some dogs can distinguish human facial expressions," Muller told Live Science.
穆勒告诉趣味科学网站说:“通过我们的研究，我们认为我们现在可以自信地得出结论，至少有些狗可以分辨人类的面部表情。”
At this point, it is not clear why dogs seem to be equipped with the ability to recognize different facial expressions in humans. 目前，尚不清楚为什么狗似乎具有识别人类不同面部表情的能力。 "To us, the most likely explanation appears to be that the basis lies in their living with humans, which gives them a lot of exposure to human facial expressions," and this exposure has provided them with many chances to learn to distinguish between them, Muller said.
穆勒说:“对我们来说，最有可能的解释似乎是，这一现象的根源在于它们与人类生活在一起，这让它们接触了大量人类的面部表情，”而这种接触也为它们提供了很多机会来学习区分它们。
二、阅读检测
8. The new study focused on whether dogs can_________.
A. distinguish shapes B. make sense of human faces
C. feel happy or angry D. communicate with each other
9. What can we learn about the study from paragraph 2?
A. Researchers tested the dogs in random order.
B. Diverse methods were adopted during training.
C. Pictures used in the two stages were different
D. The dogs were photographed before the lest.
10. What is the last paragraph mainly about?
A. A suggestion for future studies. B. A possible reason for the study findings.
C. A major limitation of the study D. An explanation of the research method.
三、答案
8. B 9. C 10. B
四、解析
【分析】这是一篇说明文。一项研究证明狗能够识别人类面部表情，但目前还不清楚它们为什么有这种能力，可能的原因是它们长时间与人类共同生活。
【8题详解】
细节理解题。根据第二段的“Researchers trained a group of 11 dogs to distinguish between images of the same person making either a happy or an angry face.(研究人员训练了11只狗来区分同一个人脸上的表情是高兴还是愤怒)”可知，该新研究的关注点是狗是否能够区分人的面部表情。故选B。
【9题详解】
细节理解题。根据第二段的“During the training stage, each dog was shown only the upper half or the lower half of the person’s face. The researchers then tested the dogs’ ability to distinguish between human facial expressions by showing them the other half of the person’s face or images totally different from the ones used in training.(在训练阶段，每只狗只看到人脸的上半部分或下半部分。研究人员随后测试了狗辨别人类面部表情的能力，向狗展示了人的另一半面部或与训练中使用的完全不同的图像)”可知，在训练和测试阶段，狗看的照片是不一样的。故选C。
【10题详解】
主旨大意题。根据最后一段的““To us, the most likely explanation appears to be that the basis lies in their living with humans, which gives them a lot of exposure to human facial expressions, and this exposure has provided them with many chances to learn to distinguish between them” Muller said.(Muller说：“对我们来说，最可能的解释似乎是，基于他们与人类生活在一起，这让他们有很多机会接触人类的面部表情，而这种接触为他们提供了很多机会，让他们学会区分他们。”)”可知，最后一段主要讲述了狗能够辨别人类面部表情的可能原因。故选B。
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