铁路信号系统中，CTCS是指（） ["A.车站信号自动控制系统 ","B.行车调度指挥管理系统 ","C.列车运行自动控制系统 ","D.中国列车运行控制系统"]
User Mary has a view called EMP_DEPT_LOC_VU that was created based on the EMPLOYEES, DEPARTMENTS, and LOCATIONS tables. She has the privilege to create a public synonym, and would like to create a synonym for this view that can be used by all users of the database. Which SQL statement can Mary use to accomplish that task?（） [" CREATE PUBLIC SYNONYM EDL_VU ON emp_dept_loc_vu"," CREATE PUBLIC SYNONYM EDL:VU FOR mary (emp_dept_loc_vu);"," CREATE PUBLIC SYNONYM EDL_VU FOR emp _dept_loc_vu;"," CREATE SYNONYM EDL_VU ON emp_dept_loc_vu FOR EACH USER;"," CREATE SYNONYM EDL_VU FOR EACH USER ON emp_dept_loc_vu"," CREATE PUBLIC SYNONYM EDL_VU ON emp_dept_loc_vu FOR ALL USERS"]
简述意外伤害的含义。
什么是外在动机外在动机有什么积极和消极作用？
对既属于大额交易又属于可疑交易的交易，金融机构如何处理？（） ["只需提交大额交易报告","只需提交可疑交易报告","可以只提交大额交易报告或可疑交易报告","应当分别提交大额交易报告和可疑交易报告"]
目前使用的国家体质健康标准规定总分在（）分以上为优秀，（）分为良好，（）分为及格。
