【单选题】Which is not true in the following sentence?
A.
We should return to the pre-industrial mode of production.
B.
They are anxious because they are unable to acquire any real satisfaction.
C.
Should be prevented from ruling man.
D.
Enable man to fully develop his potentialities.
【单选题】Your database is in ARCHIVELOG mode. You have two online redo log groups, each of which contains one redo member. When you attempt to start the database, you receive the following errors: Which statem...
A.
ALTER DATABASE DROP LOGFILE GROUP 1;
B.
ALTER DATABASE CLEAR LOGFILE GROUP 1;
C.
ALTER DATABASE CLEAR UNARCHIVED LOGFILE GROUP 1;
D.
ALTER DATABASE DROP LOGFILE MEMBER 'D:/REDO01.LOG';
【单选题】In which mode should an urgency communication from one station to all stations by direct printing telegraphy normally be established?
【单选题】If a BJT is used as an amplifier, which mode should it work in?
【单选题】Which command should an administrator use to put a system in maintenance mode without rebooting?()
【多选题】河北省土特产品中,产量居全国第一的有()