Listen to the text about the problems of polar bears and try to answer the questions below. 1.The polar bears are... the world's most endangered species the world's largest mammals the world's largest carnivores 2._________ say polar bears should be extinct by the end of the century if measures aren't taken to stop global warming. Groups Environmental groups People 3.Scientists predict that __________ will die over the next forty five years. another twenty per cent another thirty per cent another forty per cent
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Listen to the text about the problems of polar bears and try to answer the questions below.

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1. The polar bears are...

  • the world's most endangered species
  • the world's largest mammals
  • the world's largest carnivores

2. _________ say polar bears should be extinct by the end of the century if measures aren't taken to stop global warming.

  • Groups
  • Environmental groups
  • People

3. Scientists predict that __________ will die over the next forty five years.

  • another twenty per cent
  • another thirty per cent
  • another forty per cent

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