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全部四级六级高考考研 As a result, some rats are being put to work to detect. 2017年12月四级真题(第一套)阅读 Section A It is also more accurate— the rats are able to find more TB infections and, therefore, save more lives. 2017年12月四级真题(第一套)阅读 Section A Rats are often associated with spreading disease rather than preventing it, but this long-tailed animal is highly sensitive. 2017年12月四级真题(第一套)阅读 Section A Rats are often associated with spreading disease rather than preventing it, but this long-tailed animal is highly sensitive Inside a rat's nose are up to 1, 000 different types of olfactory receptors whereas humans only have 100 to 200 types. 2017年12月四级真题(第一套)阅读 Section A This gives rats the ability to detect slight smells. 2017年12月四级真题(第一套)阅读 Section A When the rats detect the smell, they stop and rub their legs to indicate a sample is infected. 2017年12月四级真题(第一套)阅读 Section A Just like medical researchers use rats to test ideas for human medical treatments, botanists use plants that are relatively easy to grow in a lab or greenhouse setting to test their ideas for related species. 2018年6月六级真题(第一套)阅读 Section B When lab rats are not allowed to sleep, they die within a month. 2017年高考英语北京卷 阅读理解 七选五 原文 Across 18 trials each, the living rats were 52 percent more likely on average to set the social robot free than the asocial one. 2020年考研真题(英语二)阅读理解 Section Ⅱ During the experiment, the social robot rat followed the living rats around, played with the same toys, and opened caged doors to let trapped rats escape. 2020年考研真题(英语二)阅读理解 Section Ⅱ Next, the researchers trapped the robots in cages and gave the rats the opportunity to release them by pressing a lever. 2020年考研真题(英语二)阅读理解 Section Ⅱ Rats and other animals need to be highly at tuned to social signals from others so that can identify friends to cooperate with and enemies to avoid. 2020年考研真题(英语二)阅读理解 Section Ⅱ The finding shows how sensitive rats are to social cues, even when they come from basic robots. 2020年考研真题(英语二)阅读理解 Section Ⅱ The readiness of the rats to befriend the social robot was surprising given its minimal design. 2020年考研真题(英语二)阅读理解 Section Ⅱ The robots rats were quite minimalist, resembling a chunkier version of a computer mouse with wheels-to move around and colorful markings. 2020年考研真题(英语二)阅读理解 Section Ⅱ They housed eight adult rats with two types of robotic rat- one social and one asocial - for 5 our days. 2020年考研真题(英语二)阅读理解 Section Ⅱ This could lead to the rats better remembering having freed it earlier, and wanting the robot to return the favour when they get trapped, says Quinn. 2020年考研真题(英语二)阅读理解 Section Ⅱ This suggests that the rats perceived the social robot as a genuine social being. 2020年考研真题(英语二)阅读理解 Section Ⅱ To find out if this extends to non-living beings, Loleh Quinn at the University of California, San diego, and her colleagues tested whether rats can detect social signals form robotic rats. 2020年考研真题(英语二)阅读理解 Section Ⅱ |
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