中间站利用本务机、自轮运转特种设备和企业自备机车调车作业时,由调车指挥人使用()亲自向司机传达计划。
A. 口头通知
B. 调度命令
C. 调车作业通知单
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调车作业由车站值班员、调车领导人、调车长共同指挥。()
A. 正确
B. 错误
为什么说税收是国家对各项经济活动进行宏观调节的重要杠杆?
27岁,横位37孕周,规律宫缩已2小时来就诊,胎心率140次/分,肛查宫口不清2年前曾作子宫肌瘤挖除术患者步入病房途中,突然胎膜破裂,胎手及脐带掉出阴道迅速被人送入住院部时面色苍白,述全腹痛,拒查腹部,血压9.3/6.7kPa(70/50mmHg)脉搏120次/分胎心音消失最佳的处理是()
A. 抗休克同时迅速手术
B. 大剂量抗生素联合应用抗感染
C. 子宫已破,忌从阴道分娩出胎儿
D. 不作阴道检查探明子宫破口情况
E. 监测血象及肾功能
To accomplish user-managed backup for the USERS tablespace, you issued the following command to put the database in backup mode: SQL> ALTER TABLESPACE users BEGIN BACKUP; While copying the file to the backup destination a power outage caused the instance to terminate abnormally. Which statement is true about the next database startup and the USERS tablespace?()
A. The database will open, and the tablespace automatically comes out of the backup mode.
B. The database will be mounted, and recovery must be performed on the USERS tablespace.
C. The database will be mounted, and data files in the USERS tablespace must be taken out of the backup mode.
D. The database will not be mounted, and you must restore all the data files for the USERS tablespace from the backup, and perform recovery.