修改病句，并指出病因。
1．小刚和小亮是一对好朋友，他经常在学习上帮助他。
                                                                                                
      病因：                                                                               
2．我们鼓号队员神气活现地站在校门口吹号敲鼓。
                                                                                                 
      病因：                                                                                
3．菜园里种着黄瓜、西瓜、扁豆、茄子等各种蔬菜。
                                                                                                  
      病因：                                                                                  
4．雨点像一个个铁球落下来，砸得房顶上劈劈啪啪地响。
                                                                                                   
      病因：                                                                                  
5．八月十五的夜晚，天空晴朗，伸手不见五指。
                                                                                                   
     病因：                                                                                    

【考点】病句辨析

【分析】请登陆后查看

【解答】请登陆后查看