单词：plasmid indompatibility
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A seven-year-oid's quick thinking saves his family. CNN's RANDI KAYE tells us why he's now being called the hero. RANDI KAYE, CNN CORRESPONDENT (voice-over): Courage sometimes comes in small packages, like this 7-year-old from California. UNIDENTIFIE
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Voice 1 Welcome to Spotlight. Im Ryan Geertsma. Voice 2 And Im Robin Basselin. Spotlight uses a special English method of broadcasting. It is easier for people to understand no matter where in the world they live. Voice 1 Every year in May, actors, f
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Wouldnt it be great if we could trade genes with other species? For example, suppose you could trade the family cat your genes for intelligence for its genes for physical coordination! Well, okay, thats not likely to happen anytime soon. But DNA trad
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U.S. Defense Secretary Robert Gates says if Iran is serious about accepting the international offer that could end the dispute over its nuclear program, it should do so soon, and through official channels. Gates was speaking to reporters in Ankara, i
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By David Gollust State Department 09 November 2006 The United States signaled flexibility Thursday on the shape of a new international peacekeeping force for Darfur. The Sudanese government has adamantly opposed the introduction of a United Nations
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