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This is scientific American's science 60 second science, I am steve mosbyA lot of people have had compacted third molars. Third molars produce chronic pain. Allen man, a Princeton University Physical anthopolegist, the annual meeting of the immagrate

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26 Renting an Apartment GLOSSARY apartment manager a person whose job is to take care of problems in an apartment building, collect the rent, and find peopleto live in the building * When our toilet stopped working, we called the apartment manager. v

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Should American high school students know at least as much about their countrys historic documents as immigrants seeking citizenship? Many states and schools are asking that question. People who want to become American citizens must know about the De

VOA慢速英语2018 科学家首次在实验室培育出完全成熟的人类卵子

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2015年CRI Documents of Nanjing Massacre Inscribed on Memory of World Register

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2016年CRI Unveiled documents evidence China's jurisdiction over South China Sea

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Although snails can and do successfully mate without stabbing each other, studies have shown that darted snails store one-hundred-sixteen percent more sperm than undarted snails.