冬季施工混凝土或气温低于5℃时,不得浇水养护(应采取覆盖保温措施)。
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昆虫的头壳上存在许多沟缝将其分成()、()、()、()等四个区域。
正压式空气呼吸器不能完全排尽空气瓶内的空气,应至少保持0.5Mpa的压力。
A. 正确
B. 错误
人与人之间的能力差异具有二个方面,一是质的差别,即能力的类型差别;二是()的差别,即能力发展水平与发展早晚的差别。
A. 数
B. 性
C. 量
D. 形
Examine the following scenario: -Database is running in ARCHIVELOG mode. -Complete consistent backup is taken every Sunday. -On Tuesday the instance terminates abnormally because the disk on which control files are located gets corrupted -The disk having active online redo log files is also corrupted. -The hardware is repaired and the paths for online redo log files and control files are still valid. Which option would you use to perform the recovery of database till the point of failure?()
A. Restore the latest whole backup, perform complete recovery, and open the database normally
B. Restore the latest whole backup, perform incomplete recovery, and open the database with the RESETLOGS option
C. Restore the latest backups control file, perform complete recovery, and open the database with the RESETLOGS option
D. Restore the latest backup control file, perform incomplete recovery using backup control file, and open the database with the RESETLOG optio