进度事件用什么表示进度放弃（）

A:loadstart B:error C:load D:abort

在读写磁盘操作有误时，屏幕命令提示“Abort，Retry，Faill？”如果要重复执行命令应键入（）。

A:A键 B:R键 C:F键 D:空格键

如果在拧紧程序结束前按下ABORT（中止）按钮，程序将停止并且（）。

A:ACCEPT（合格）指示灯亮起 B:REJECT（不合格）指示灯亮起 C:电源关闭 D:报警

当Stop、Main和Abort Handler运行结束后Check Handler的条件满足或发出Reset命令，SCM将运行（）。

A:Stop Handler B:Check Handler C:Abort Handler D:Hold Handler

在DOS状态下，当出现＂Abort, Retry, Ignore＂提示符时,可键入任意键回答。

A:abort B:about C:above D:around

Because Web servers are platform and application (71) they can send or request data from legacy or external applications including databases. All replies, once converted into (72) mark-up language, can then be transmitted to a (73) . Used in this way, Intranets can (74) lower desktop support costs, easy links with legacy applications and databases and, (75) all, ease of use.

A:above B:around C:about D:abort

Because Web servers are platform and application (71) ，they can send or request data fromlegacy or external application including database．All replies，once converted into (72) arkup language，can then be transmitted to a (73) ．Used in this way，Intranets can (74) lower desktop support costs，easy links with legacy application and databases and， (75) all，ease of use．

A:abort B:about C:above D:around

在对数据库进行恢复时，对尚未做完的事务执行______。

A:ABORT B:REDO C:UNDO D:ROLLBACK