【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.
【简答题】Write an essay based on the following table. In which,you should 1)describe the table and 2)give your comments. You should write at least 150 words. Write your essay on the ANSWER SHEET.(15 points) Av...
【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';
【多选题】采用接地故障保护时,在建筑物内应将( )作总等电位联结。
C.
建筑物内的水管、煤气管、采暖和空调管道等金属管道
D.
条件许可的建筑物金属构件等、导电体等、电位联结中金属管道连接处应可靠地连通导电
【单选题】Which command should an administrator use to put a system in maintenance mode without rebooting?()
【多选题】采用接地故障保护时,在建筑物内应作 ____ ,当电气装置或其某一部分的接地故障保护不能满足规定要求时,尚应在局部范围内做 ____ 。