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问题 单项选择题

万用表中的转换电路的作用是（）。

A.表示或显示被测量的大小

B.把被测量转换成表头所能接收的电量

C.选择不同的种类和不同的量程

D.为了达到安全测量的目的

答案

参考答案：B

单项选择题

若某220kV线路输入侧的电压U1=，输出侧输出的功率S2=200+j20MVA，电压U2=，则δ1与δ2的关系为（）。

A．δ1等于δ2

B．δ1滞后δ2

C．δ1超前δ2

D．不确定
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单项选择题

A parent group is discussing different types of punishment. The parents ask the nurse to discuss corporeal punishment. What would be the nurse’s response()

A. "Corporeal punishment does not physically harm the child. "

B. "Corporeal punishment can result in children becoming accustomed to spanking. "

C. "Corporeal punishment can be beneficial in teaching children what they should do. "

D. "Corporeal punishment reinforces the idea that violence is not acceptable. \
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