请问正常情况下水流通过拦污栅的（）。
A、水头损失很小
B、水头损失很大
C、流量损失很小
D、流量损失很大
参考答案：A
以下哪一项不是负面信息的缓冲语（）
A、表示同意，表示谢意。
B、作出承诺，给予赞扬。
C、表示立场，亮明观点。
A client in a psychiatric clinic unit tells the nurse, "I don't think I can face going home tomorrow. " The nurse replies, "Do you want to talk more about it" The nurse is using which of the following techniques
A．Presenting reality.
B．Making observations.
C．Restating.
D．Exploring.
