M7130平面磨床控制电路的控制信号主要来自()。
A、工控机
B、变频器
C、触摸屏
D、按钮
参考答案:D
如果预测经济景气下降,在股票投资中下列行业中具有吸引力的是()。
A.旅游行业
B.公用事业
C.建筑业
D.交通运输业
A client on an inpatient psychiatric unit at a community mental health center is pacing up and down the hallway. The client has a history of aggression. Which response by the nurse would be best when approaching the client()
A. "If you can’t relax, you could go to your room. "
B. "Would you like your antianxiety medication now"
C. "You’re pacing. What’s going on"
D. "Let’s go play a game of pool. "