负责风电场特种车辆驾驶人员的管理与培训(特种车辆取证)工作,制定并严格落实预防车辆交通事故的各()。
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离合器液压操纵机构基本结构有离合器踏板、离合器主缸、储液室、()、离合器工作缸、分离叉、分离轴承等。
A. 工作系统
B. 管路系统
C. 液压系统
D. 气压系统
You created a view called EMP_DEPT_VU that contains three columns from the EMPLOYEES and DEPARTMENTS tables: EMPLOYEE_ID, EMPLOYEE_NAME AND DEPARTMENT_NAME. The DEPARTMENT_ID column of the EMPLOYEES table is the foreign key to the primary key DEPARTMENT_ID column of the DEPARTMENTS table. You want to modify the view by adding a fourth column, MANAGER_ID of NUMBER data type from the EMPLOYEES tables. How can you accomplish this task? ()
ALTER VIEW EMP_dept_vu (ADD manger_id NUMBER);
B. MODIFY VIEW EMP_dept_vu (ADD manger_id NUMBER);
C. ALTER VIEW emp_dept_vu AS SELECT employee_id, employee_name, department_name, manager_id FROM employee e, departments d WHERE e.department _ id = d.department_id;
D. MODIFY VIEW emp_dept_vu AS SELECT employee_id, employee_name, department_name, manager_id FROM employees e, departments d WHERE e.department _ id = d.department_id;
E. CREATE OR REPLACE VIEW emp_dept_vu AS SELECT employee_id, employee_name, department_name, manager_id FROM employees e, departments d WHERE e.department _ id = d.department_id;
F. You must remove the existing view first, and then run the CREATE VIEW command with a new column list to modify a view.
非现场监管和现场检查有机结合能够更好的发挥二者的互补效应,避免出现监管漏洞,其合作主要表现在()
A. 通过非现场监管系统收集到全面、可靠和及时的信息,将大大减少现场检查的工作量
B. 非现场监管对现场检查有很好的指导作用
C. 现场检查结果将提高非现场监管的质量
D. 通过现场检查可以修正非现场检查结果
E. 非现场监管有利于加强现场检查的有效性
政治投票是指国家或其他政治组织依照一定的程序和规则,由全部或部分成员抉择一个或少数人充任该组织某种权威职务的一种政治过程。
A. 正确
B. 错误