简述我国小学管理的基本方法。

During a conversation with the client, the nurse observes the client shaking his leg and tapping his fingers on the table next to him. The nurse’s best statement is.

A. "I’ll get you something to help you feel less anxious. "
B. "I know that you feel anxious. Let’s discuss something more pleasant. "
C. "I see that you’re anxious. I’ll be back later when you’re calmer. "
D. "I noticed that your leg is shaking and you’re tapping your fingers on the table. How are you feeling now"

实验室进行下列实验时，温度计水银球置于反应物液面以下的是（   ）

A．乙醇和浓硫酸混合加热，制乙烯

B．从石油中提炼汽油

C．用蒸馏方法提纯水

D．实验室制取硝基苯

( )是财产权的对称。

A．知识产权

B．人身权

C．保护权

D．著作权

沉淀池的污泥区容积应如何计算？

习惯法