根据图片所示内容填空。

1. Uncle Da Chao is my father's _______________.

2. Jing is my _______________.

3. Jing is my uncle Da Chao's _______________.

4. _______________ Mei Ping is my _______________ Da Chao's _______________.

5. My father and uncle Da Chao are my grandfather's _______________.

系统管理中，系统管理员对账套可进行的操作是( )。

A．建立

B．修改

C．输出

D．引入