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    Once harm is to the eco-system, all species will , including man himself. A. made; be in danger B. done; be dangerous C. caused; be endangered D. done; be in danger 【查看更多】

     

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    Once harm is _______ to the eco-system, all species will ________, including man himself.

    A. made; be in danger                  B. done; be dangerous  

    C. caused; be endangered               D. done; be in danger

     

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    Once harm is _______ to the eco-system, all species will ________, including man himself.     
    [     ]
    A. made; be in danger  
    B. done; be dangerous  
    C. caused; be endangered  
    D. done; be in danger

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    Once harm is _______ to the eco-system, all species will ________, including man himself.

    A．made; be in dangerB．done; be dangerous
    C．caused; be endangeredD．done; be in danger

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    Once harm is _________ to the eco-system, all species will _________, including man himself．


    1. A.
      made; be in danger
    2. B.
      done; be dangerous
    3. C.
      caused; be endangered
    4. D.
      done; be in danger

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    Once harm is _________ to the eco-system, all species will _________, including man himself．

    [　　]

    A．made; be in danger

    B．done; be dangerous

    C．caused; be endangered

    D．done; be in danger

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