单词：ring-tailed lemurs
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[00:02.91]像捉迷藏一样 Like hide and seek. [00:25.34]如果我被跟踪了，我总是会感觉到 I can always sense when Im being tailed. [00:27.68]我知道怎样找到被跟踪的迹像 I know what to look for. [00:29.54]但是我从来没有
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Good news for big time networking primates. Other primates that live in large social groups have more street smarts than their comrades with smaller social circles. So finds in a study in the journal Plus1, researchers tested the circumstances under
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This is Scientific American 60-second Science.I'm Steve Mersky.Got a minute? People have been leaving messages on bathroom walls for thousands of years,just google'ancient Roman bathroom graphy'.Well,we are not the only ones to use the ? for informat
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In the age of the dinosaurs, ____________1_____________. They landed on a mysterious island. And evolved into some of the most extraordinary animals you'll ever meet. The lemurs of Madagascar. These ultimate survivors are now in danger. But a team of
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Now, extinction is a different kind of death. It's bigger. We didn't really realize that until 1914, when the last passenger pigeon, a female named Martha, died at the Cincinnati zoo. This had been the most abundant bird in the world that'd been in N
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发现不少这样的同学，自认阅读不错，实际考出来的分数只有22分左右，甚至会更低。ETS对阅读高水平(High level)的评定标准是2230分。而事实上，阅读如果达不到25分以上，总分想要过百会比较困
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