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2013北师大版高二下Unit 22《Environmental Protection》(Lesson 3)ppt课件

  • 课件名称:2013北师大版高二下Unit 22《Environmental Protection》(Lesson 3)ppt课件
  • 创 作 者:佚名
  • 课件添加:admin
  • 更新时间:2013-3-10 10:17:11
  • 课件大小:465 K
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  • 授权方式:免费版
  • 运行平台:Win9x/NT/2000/XP/2003
  • ◆课件简介:
    2013北师大版高二下unit22《Environmental Protection》(Lesson 3)ppt课件br 3. Why are there now more hurricanes, floods and droughts ? Overpopulation and mismanagement of the world’s resources. 6. What effects might this threat have? It might plunge the planet into winter for years. __ addition, ______ change and the spectre of global ________ caused by the mismanagement of the world’s resources can lead to the disasters or make them worse. 7. A lot of houses collapsed in the earthquake because of ____________ construction . 8. Flo
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