小练笔。     
       读了《大自然的启示》一文后，你一定受到很大的启发吧！请你举出生活中生态不平衡的现象，并且设计治理方案。     
1．生态不平衡的现象： 
                                                                                                                                                           
                                                                                                                                                            
                                                                                                                                                            
2．治理方案：
                                                                                                                                                              
                                                                                                                                                              
                                                                                                                                                               

【考点】文史常识

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