按要求写出相应的内容。   

1．写出两句珍惜时间的格言。   

     (1)                                                                                                                        

     (2)                                                                                                                        

2．写出两句表明要亲身实践的谚语。     

     (1)                                                                                                                          

     (2)                                                                                                                        

3．写出两句写景的诗句。     

     (1)                                                                                                                          

     (2)                                                                                                                        

在会计核算中，管理费用( )。

A．可直接记入当期成本

B．可通过分配计入当期成本

C．可按期逐月摊入成本

D．不应在成本中列支