单词：European nuthatch
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This Scientific Americans 60-Second Science. I am Karen Hopkin. This will just take a minute. They say that older folks benefit from spending time with young people. And thats not just an excuse to stick grandma at the kids table at Thanksgiving. Now
Scientific American(五)月
She dreams at night. She dreams while she sleeps. She dreams about many things. She dreams about her parents. She dreams about school. She dreams about her friends. She dreams about her dog and cat. She dreams about the future. She dreams about the p
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Theres been an unexpected development in our understanding of drug resistance in bacteria. The accepted scenario was a simple case of evolutionary selection. In a bacterial population exposed to a killer drug, a few lucky individuals might have a gen
Scientific American(九)月
By Alan Silverman Hollywood 27 May 2006 One of the most popular film series based on Marvel Comics superheroes becomes a trilogy and raises some interesting real-world issues about diversity and fitting in. ------------------------------------------
2006年VOA标准英语（五月）
第一部分 阅读理解 (75分) Passage 1 CATV is a short way of saying
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MOSCOW, April 14 (Xinhua) -- China asserted its dominance in diving pool after winning six gold, one silver and one bronze medals at the 2012 FINA Diving World Series Moscow stop which concluded on Saturday. Chinese Olympic champion Lin Yue made a te
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