按要求写古诗。  

例：学校餐厅：谁知盘中餐，粒粒皆辛苦。   

庐山瀑布：                                                                       

沙漠落日：                                                                       

中秋佳节：                                                                        

朋友情谊：                                                                    

你认为现在本网在运行中有哪些问题？