问题
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A.Many species have developed a habit of migration.B.Many species have become less sen
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Among the 21 species of sharks assessed by SSG,A.10 are assessed as near threatened.B.5 ar
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He ______ his baggage among hundreds of others.A、awareB、identifiedC、conscious of
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187. It is hard to track the blue whale, the ocean’s largest creature, which has almost been killed off by commercial whaling and is now listed as an endangered species. Attaching radio devices to it
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It is estimated that some seven hundred million people about half the world’s adult population are
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Fares are cheap; they ______ Im told for almost a hundred years.
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