我会按要求写句子。 

1．圆圆的荷叶挨挨挤挤的。

     改为比喻句：                                                                                    

2．泉水从洞口涌出。  

     改为拟人句：                                                                                    

3．同学们说得很高兴。  

     扩句：                                                                                             

4．这一池的荷花难道不美吗？  

     改为陈述句：                                                                                  

参加城镇居民医保后多久可以享受医保待遇？跟职工医保享受待遇时间一样吗？