（）在定性访问中起着重要的作用，但却不适于在自填式问卷中使用。 ["多选题","排序题","量表题","开放题"]
Which is not a valid way of backing up a control file？（） [" Backing up the control file to trace"," Copying the existing control file of the database to the backup location during a hot backup "," Copying the existing control file of the database to the backup location during a cold backup"," Creating a backup control file"," Using the create controlfile command"]
液化石油气的密度随温度上升而（）。 ["急剧减小","不变","急剧增长"]
简述普通终身寿险的运用。
Which of the following is a benefit of having a Solution Assurance？（） ["The need to involve solution experts is removed","Financial justification of the proposal is enhanced","Time required to design a solution is decreased","Complex solutions are simplified considerably"]
土壤质地
