题目内容

()气瓶:以金属材料为内层筒体(亦称瓶胆)其外侧缠绕高强纤维并以塑料固化作为加强层的复合气瓶。

A. 玻璃钢
B. 钢制焊接
C. 复合气瓶

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Examine the structure if the EMPLOYEES table: Column name Data Type Remarks EMPLOYEE_ID NUMBER NOT NULL, Primary Key EMP_NAME VARCHAR2(30) JOB_ID VARCHAR2(20) NOT NULL SAL NUMBER MGR_ID NUMBER References EMPLOYEE_ID column DEPARTMENT_ID NUMBER Foreign key to DEPARTMENT_ID column of the DEPARTMENTS table You need to create a view called EMP_VU that allows the user to insert rows through the view. Which SQL statement, when used to create the EMP_VU view, allows the user to insert rows? ()

A. CREATE VIEW emp_Vu AS SELECT employee_id, emp_name, department_id FROM employees WHERE mgr_id IN (102, 120);
B. CREATE VIEW emp_Vu AS SELECT employee_id, emp_name, job_id department_id FROM employees WHERE mgr_id IN (102, 120);
CREATE VIEW emp_Vu AS SELECT department_id, SUM(sal) TOTALSAL FROM employees WHERE mgr_id IN (102, 120) GROUP BY department_ id;
D. CREATE VIEW emp_Vu AS SELECT employee_id, emp_name, job_id, DISTINCT department_id FROM employee

A customer is in the process of testing their configuration prior to going live. The administrator discovers thatPowerHA is taking 31 seconds to deal with a standard NIC failure. What can the administrator do to speed upthe process of NIC failure detection and diagnosis?()

A. Tune the topsvcs NIM settings
B. Tune the grpsvcs NIM settings
C. Activate the fast failure detection (FFD) feature
D. Activate the Gigabit fast failover feature on the physical adapter

客流量实际上是现实中的旅客运输要求,在一定程度上反映了各地区在政治、经济、文化上的联系程度,是反映某一国家或地区发展水平的一个重要的综合性结构指标,客流量的多少对运输业也有着重要的意义。客流的变动规律是指一定时期内客流的()的变动规律或发展趋势。

A. 数量
B. 方向
C. 流速
D. 结构
E. 距离

患者男性,28岁,车祸致多发伤,诊断脑挫裂伤、下颌骨骨折、多根多处肋骨骨折、双肺挫伤和脾破裂伤;意识不清、躁动,口腔内有大量血性分泌物流出,呼吸急促,双肺大量湿性啰音。Venturi面罩氧浓度40%,查血气指标PaO258mmHg,PaCO231mmHg。患者出现呼吸困难的原因可能有()

A. 失血性休克
B. 严重肺挫伤
C. 剧烈疼痛
D. 意识障碍
E. 严重创伤引发MODS
F. 胸廓外伤畸形

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