[电大作业] 高压管道运行中允许带压紧固或拆卸螺栓。 日期:2021-08-03 11:17:48 点击:90 好评:0
(判断题)12: 高压管道运行中允许带压紧固或拆卸螺栓。 A: 错误 B: 正确 ...
[电大作业] 测定容器耐压能力一般采用气压试验。 日期:2021-08-03 11:17:13 点击:122 好评:0
(判断题)6: 测定容器耐压能力一般采用气压试验。 A: 错误 B: 正确 ...
[电大作业] 在已打开的表中,要永久删除当前记录位置开始的10条记录,可用( ) 日期:2021-08-03 11:16:29 点击:174 好评:0
(单选题)20: 在已打开的表中,要永久删除当前记录位置开始的10条记录,可用( ) A: 先执行DELETE NEXT 10命令,后用PACK命令 B: 先执行DELETE RECORD 10命令,后用PACK命令 C: 先执行DELETE FOR RECORD> 10命令,后用PACK命令 D: ZAP NEXT 10 ...
[电大作业] COPY TO命令的功能是( ) 日期:2021-08-03 11:15:50 点击:141 好评:0
(单选题)14: COPY TO命令的功能是( ) A: 复制表结构和表中数据 B: 只复制表结构 C: 只复制表中数据 D: 以上都不对 ...
[电大作业] 打开一个空表,EOF()和BOF()函数的结果是( ) 日期:2021-08-03 11:14:33 点击:111 好评:0
(单选题)2: 打开一个空表,EOF()和BOF()函数的结果是( ) A: .T.和.T. B: .F.和.F. C: .T.和.F. D: 不确定 ...
[电大作业] As they can't afford to let the situation get wors 日期:2021-08-03 11:13:47 点击:166 好评:0
(单选题)16: As they can't afford to let the situation get worse, they will take some necessary _______. A: decisions B: sides C: directions D: steps ...
[电大作业] Excuse me, would you please tell me ________ ? 日期:2021-08-03 11:13:02 点击:140 好评:0
(单选题)10: Excuse me, would you please tell me ________ ? A: when the sports meet is taken place B: when is the sports meet going to be held C: when is the sports meet to beginwhen is the sports meet to begin D: when the sports meet is...
[电大作业] Compared with last year, the output of the factory this year 日期:2021-08-03 11:12:17 点击:60 好评:0
(单选题)4: Compared with last year, the output of the factory this year has increased____20%. A: with B: at C: for D: by ...
[电大作业] _____ right now, she would get there on Sunday. 日期:2021-08-03 11:11:41 点击:181 好评:0
(单选题)18: _____ right now, she would get there on Sunday. A: Would she leave B: If she leaves C: Were she to leaveWere she to leave D: If she had left ...
[电大作业] Helen was seriously injured in a car ______. 日期:2021-08-03 11:11:01 点击:111 好评:0
(单选题)12: Helen was seriously injured in a car ______. A: incident B: accident C: event D: matter ...