雷德蒸气压用温度计量程范围为（）℃，全浸。
A.38～40
B.40～42
C.38～42
D.48～52
参考答案：C
如果8251A设定为异步通信方式，发送器时钟输出和接收器时钟输入端都连接到频率为19.2kHz的信号，波特率因子为16，则波特率为( )。
A．1200
B．2400
C．9600
D．19200
The nurse is teaching the client how to use a cane. Which of the following statements is most inaccurate()
A. The client should hold the cane on the involved side.
B. The client should hold the cane close to his body.
C. The stride length and the timing of each step should be equal.
D. The nurse should stand behind the client to prevent falls.
