一般来说,能在一定程度上减轻财政负担的养老金待遇给付类型是( )
A.缴费确定型
B.待遇确定型
C.收入确定型
D.支出确定型
参考答案:A
下列叙述中,不属于数据库系统的是______。
A.数据库
B.数据库管理系统
C.数据库管理员
D.数据库应用系统
She was just about to explain ___ she hadn't passed her maths test chiefly out of carelessness ___ her uncle came.
A.her mother … when
B.to her mother why … that
C.her mother that … when
D.to her mother that … when