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专题07 六选四 -学易金卷:2023年高考英语二模试题分项汇编(原题版)
(2023·上海虹口·统考二模) Do animals have feelings?
People often assign feelings to animals. That zoo polar bear’s vacant stare must mean he’s sad. The uh-oh expression a dog flashes after knocking over the garbage indicates shame. But scientists haven’t determined whether these human-like expressions really mean anything. After all, it’s very difficult to read a dog’s mind.
Scientists believe that certain brain cells in humans called spindle cells (棱形细胞) are responsible for human social behavior and the interplay between thoughts and feelings. Studies have revealed that chimpanzee, dolphin and whale brains also possess spindle cells. ____1____
Even animals that don’t have spindle cells, such as dogs, have shown behaviors that can suggest a human-like social sense. ____2____ Scientists report that this shows dogs are sensitive to human social cues and are able to correctly interpret them. Still, this only proves that dogs know how to find food, not that they have feelings.
Observations of apes have also revealed behavior that appears to represent various human-like desires. In some tests, chimpanzees demonstrate what looks like altruism (利他主义) helping their own kind and even other species without the expectation of a reward.
____3____ In a recent study, a Barnard College researcher tested dogs to see if their guilty looks were linked to actual bad behavior. Dogs were tempted with a treat and told by their owners not to eat it. The dog’s owners weren’t allowed to see whether their pets had eaten the treat or not, but were told either that they did or that they didn’t, and were then instructed to scold the dogs that disobeyed. The experimenters noted that scolded dogs showed a guilty look whether or not they had actually done wrong.
____4____ A guilty look suggests a feeling of guilt in a human but not necessarily in a dog, according to the Barnard research. Similarly, even apparent empathy (共情) behavior might not actually mean t