男性,47岁。发热咳嗽1个月,痰少,偶为黄痰,3天来出现咯血,满口鲜血,每日约60ml,查体:右上肺叩浊,呼吸音低,可闻及湿啰音,肺CT示右肺上叶实变伴空洞形成,空洞直径约2.5cm,洞壁光滑,未见液平。患者咯血加重,24小时咯血量超过600ml,处理咯血的重点和原则是()
A. 立即予垂体后叶素静滴止血
B. 健侧卧位
C. 患侧卧位
D. 平卧位
E. 保证有效血容量,必要时输血
F. 行纤维支气管镜明确出血部位
G. 行肺增强CT检查
H. 保持气道通畅和防止气道填塞
I. 坐位
J. 必要时可行支气管动脉栓塞
K. 加强抗结核力度
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Your system has been upgraded from Oracle Database 10g to Oracle Database 11g. You imported SQL Tuning Sets (STS) from the previous version. After changing the OPTIMIZER_FEATURE_ENABLE parameter to 10.2.0.4 and running the SQL Performance Analyzer, you observed performance regression for a few SQL statements. What would you do with these SQL statements?()
A. Set OPTIMIZER_USE_PLAN_BASELINES to FALSE to prevent the use of regressed plans.
B. Capture the plans from the previous version using STS and then load them into the stored outline.
Capture the plans from the previous version using STS and then load them into SQL Management Base (SMB)
D. Set OPTIMIZER_CAPTURE_SQL_PLAN_BASELINES to FALSE to prevent the plans from being loaded to the SQL plan baseline.
超越代理权的行为,经过被代理人的追认,被代理人承担民事责任。
A. 正确
B. 错误
数控机床作为自动化控制设备,其控制部分大体上可分为数字控制和()两个部分。
卓尔的母亲是下岗女工,她很重视对卓尔的教育,在卓尔刚会说话时就教他数数和认字,但让母亲难堪的是:一次家里来了客人,母亲要卓尔拿两个橘子,卓尔却拿了三个,卓尔的母亲开始担心卓尔的聪明程度。试问卓尔母亲的担心有道理吗?你能为卓尔的母亲提出哪些建议?