以下()不是信息的基本要素。
A.载体
B.数据库
C.信源
D.信宿
参考答案:B
—Do you regret having left your first job?
—Why should I?I as much,but I enjoy more of it.
A.didn’t earn
B.don’t earn
C.hadn’t earned
D.haven’t earned
对于案件中涉及的国家秘密,公安机关可以向党委保密。( )