什么时高速公路？高速公路有哪些特点？
从业人员对用人单位管理人员违章指挥、强令冒险作业，还有¬下列哪些行为？（） ["不得拒绝执行","不得举报","有权拒绝执行","有权提出批评、检举和控告"]
给下列汉字注音并组词。疼
You want to perform the database backup when user activity on your system is low, such as between 12:00 a.m. and 2:00 am. Which command terminates with an error if the backup is not complete at the end of the specified duration?（） ["RMAN> BACKUP DURATION 2:00 MINIMIZE LOAD DATABASE","RMAN> BACKUP DURATION 2:00 PARTIAL FILESPERSET 1 DATABASE","RMAN> BACKUP DURATION 2:00 PARTIAL MINIMIZE TIME DATABASE ","RMAN> BACKUP AS COPY DURATION 2:00 PARTIAL MINIMIZE LOAD DATABASE"]
直流电动机按励磁方式分有（） ["他励电动机","并励电动机","串励电动机","复励电动机","自励电动机"]
给下列汉字注音并组词。馁
