贡献原则
粘性土的等效摩擦角是（） ["根据有效应力原理来计算的","将滑动面上的法向应力折算为内摩擦角","根据静力平衡原理来计算的","根据抗剪强度相等原理来计算的"]
人际智能具体地说是指一个人与他人良好相处、有效调节关系、协同工作、发挥人际效能的能力。（）
开孔刀刀齿材料一般选用（） ["A、高速工具钢 ","B、工具钢 ","C、40Cr ","D、弹簧钢"]
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 manager_id NUMBER);"," MODIFY VIEW emp_dept_vu (ADD manager_id NUMBER);"," 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;"," 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;"," 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;"," You must remove the existing view first, and then run the CREATE VIEW command with a new column list to modify a view."]
编制城市公共交通的行车作业计划是，行车人员用餐时间的安排方法有：增加劳动力的方法、增加车辆来代替用餐停驶的车辆、（），用拉大行车间隔的方法来挤出用餐时间。10、三级调度机构的三个层次分别是公司总调度室、车场调度室、车队调度组.
