钢筋混凝土拌合物中氯离子的最高限值按水泥质量百分率计为()
A. 0.006
B. 0.10
C. 0.07
D. 0.08
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患者女,34岁。因腕及掌指关节肿痛,伴双膝关节疼痛、行走困难伴有晨僵而入院。入院血液检查:血沉70mm/h,白细胞总数5.10×109/L,红细胞计数3.7×1012/L,血红蛋白110g/L。免疫学检查:C3、C4均增高,RF(+),尿蛋白(-)。此期患者的护理措施,不妥的是()
A. 加强小关节功能锻炼
B. 遵医嘱给予消炎止痛剂
C. 嘱患者定时定量服药,不可随加减药量或停药
D. 注意观察药物不良反应
E. 卧床休息,并保持正确的体位
You perform the following activities during the database upgrade from Oracle Database 10g to Oracle Database 11g: 1. Capture plans for a SQL workload into a SQL Tuning Set (STS) before upgrade. 2. Load these plans from the STS into the SQL plan baseline immediately after the upgrade. What is the reason for performing these activities? ()
A. to minimize plan regression due to the use of a new optimizer version
B. to completely avoid the use of new plans generated by a new optimizer version
C. to prevent plan capturing when the SQL statement is executed after the database upgrade
D. to keep the plan in the plan history so that it can be used when the older version of the optimizer is used
纸币暂存区最多可容纳()张纸币。
A. 5
B. 10
C. 15
D. 20
男孩,3岁,发热3天,头痛,呕吐4次,嗜睡,伴抽搐2次。体检:体温39.5℃,神志清,嗜睡,颈强直(+),心、肺无异常,腹壁、提睾反射未引出,克氏征、布氏征均阳性,疑流行性乙型脑炎。确诊流行性乙型脑炎的辅助检查是()
A. 脑脊液培养
B. 脑脊液生化
C. 脑脊液中特异性IgM抗体
D. 血常规
E. 脑脊液常规及生化