The persistent configuration settings for RMAN have default for all parameters.Identify four RMAN commands that produce a multi-section backup.（） [" BACKUP TABLESPACE SYSTEM SECTION SIZE 100M;"," BACKUP AS COPY TABLESPACE SYSTEM SECTION SIZE 100M;"," BACKUP ARCHIVELOG ALL SECTION SIZE 25M;"," BACKUP TABLESPACE "TEMP" SECTION SIZE 10M;"," BACKUP TABLESPACE "UNDO" INCLUDE CURRENT CONTROLFILE SECTION SIZE 100M;"," BACKUP SPFILE SECTION SIZE 1M;"," BACKUP INCREMENTAL LEVEL 0 TABLESPACE SYSAUX SECTION SIZE 100M"]
患者，女性，25岁，诊断为化脓性指头炎，切开引流最佳切口是（） ["侧面横切口","侧面纵切口","掌面横切口","掌面纵切口","鱼口形切口"]
公交客流调查的方法有：问询法、（）、填表发、凭证法和机票发等。根据观测地点不同，观测调查可以分为（）、随车观测法和驻站观测法。
在剪切试验中，若采用对试样施加竖向压力后让试样充分排水，待固结稳定后，再快速施加水平剪应力使试样破坏。这种试验方法属于（） ["快剪","固结快剪","慢剪","固结慢剪"]
You configured the flash recovery area in the database. Which two files would you expect to find in the flash recovery area？（） [" backup pieces"," copies of all the parameter files"," trace file generated using BACKUP CONTROLFILE TO TRACE"," control file autobacku"]
活塞移动能达到的最上端位置称为（），此时活塞距离曲轴的旋转中心（）。
