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  • 更新 2022-09-03
  • 科目 英语
  • 题型 改错题
  • 难度 较易
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In 1972, the United Nations hold a meeting in Sweden   _________            
to share ideas about ways to take better care of for the           __________
earth.At the summit, people from more than one hundreds           __________
countries discussed some of the important problems faced           __________
our planet.Since then, several Earth Summits had been held.       __________
In 2002, the Earth Summit was held in Johannesburg.            _________
One of the main theme was “sustainable development”, or     __________
the question what we can continue developing the world         __________
without damage the environment.Most of the speakers           __________
talked the three biggest killers in the world.                     __________

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In1972,theUnitedNationsholdame