决定必须由( )。
A.党政机关联合发文
B.会议讨论之后才能发文
C.政府部门制发
D.党、政府领导机关制发
参考答案:D
解析:决定必须由党政领导机关制发
哥哥今年a岁,弟弟今年a-5岁,7年后,哥哥和弟弟的年龄差是( )岁。
Had I known her name,___________ .
A.or does she know mine
B.and where does she live
C.she would come here
D.I would have invited her