题型:阅读选择 题类: 难易度:普通
浙江省杭州市闻涛中学2024-2025学年九年级上学期期中测试英语试卷
Have you ever played with another dog around your dog or played with a different dog when you're taking a walk? Many dogs don't like it when they're not the center of their owners' attention. Whether it's a new baby or the cute little dog next door, there's a good point that your dog doesn't want to share your love with anyone else. Some people may think that jealousy is a human-only feeling. But it's not true.
A few years ago, researchers at the University of California, San Diego, found that dogs showed jealous actions when their owners showed love toward another dog.
For the study, researchers watched videos of interactions (互动) between 36 dogs and their owners in their homes. Researchers had the owners pay no attention to their dogs but play with a robotic dog, which was treated as a real dog. Owners talked to it sweetly and shared everything with it.
About 60% of the dogs were likely to touch or push their owners when they were interacting with the robotic dog. About one-third of the dogs tried to get between the owner and the robotic dog and some even barked at "the other dog".
"Our study suggests that dogs not only show jealous actions but also try to break up the relationship between the owner and a seeming competitor," said Professor Christine Harris, one of the researchers.
Therefore, your dog might act differently when he's trying to get your attention and maybe experiencing feelings of jealousy. For example, he may draw your attention by licking (舔) you, or he may suddenly run into the bathroom to get attention or even to show displeasure. So if you have more than one pet, be sure to give them the same attention so that any of them will, not feel forgotten.
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Have you noticed that time seems to pass more slowly when you're waiting in a long line? But when you're playing with your friends, hours seem like minutes. Of course, time is always passing at the same speed--but why does it sometimes feel different?
A study in the Journal of Neuroscience can tell us the answer. Lead researcher Masamichi Hayashi and his research team in the US have found that it has something to do with neurons (神经元) in our brains that are sensitive(敏感的) to time.
The researchers studied the brain activity of 18 adults who were asked to look at a picture on a screen for a certain length of time. They were then asked to guess how long they'd been looking at the picture. They tended to(倾向于) guess incorrectly in the end when they were asked to stare at the picture for very long or very short periods of time.
After researching into their brain activity further, the researchers discovered neurons that work actively in response to(对…有反应) certain amounts of time, which are called time-sensitive neurons. When they receive repetitive stimulation (重复的刺激)(such as staring at a screen), these neurons finally get "tired" and don't work properly. It doesn't matter whether this amount of time is long or short, as long as the stimulation is repetitive. However, other neurons still work normally, having an influence on the ways we experience time.
When you stand in line or do some other repetitive things, such as math homework, your time-sensitive neurons get tired and cause you to feel like time is going slowly. But when you're doing something more fast-changing, such as playing soccer, you feel like time is flying. Either way, you'd better be careful with your brain when it comes to your experience of time. It may lie.
{#blank#}1{#/blank#} {#blank#}2{#/blank#}
Researchers | An American research team |
Participants | 18 adults |
{#blank#}3{#/blank#} | *Participants looked at a picture on a screen for some time. *Participants guessed how long they had spent. |
Result | Participants usually got wrong guessing when the screen time was too long or short. |
Discoveries | There are some time-sensitive neurons in the brain. *They work actively in response to certain amounts of time. *A very important factor(因素) to make the time-sensitive neurons "tired" is the {#blank#}4{#/blank#} of the stimulation. |
Conclusion | Treat your brain's telling of time with some {#blank#}5{#/blank#} when doing some repetitive or fast-changing activities. |
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