若由2、3、x、8组成的这组数据的极差为7,则x=( )
1或9
The nurse is teaching a new mental health aide. For which of the following clients is setting limits most important
A. A depressed client.B. A manic client.C. A suicidal client.D. An anxious client.
SF3102型108t电动轮举升前一定要进行动力制动。