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【多选题】
在电路中,能称为激励的是以下哪几种?A.
在电路中各部分产生的功率
B.
信号源的电压
C.
在电路中各部分产生的电压
D.
信号源的电流
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反馈参考答案：
举一反三
【单选题】an author
A.
someone who talks at a public event
B.
someone who helps people to improve at a sport, skill or school subject
C.
someone who advises people on a particular subject
D.
someone who writes books or articles
【单选题】The word 'amorist' most probably means someone who ______.
A.
travels in a foreign country
B.
writes loving stories
C.
makes pretty presents
D.
draws beautiful pictures
【单选题】a consultant
A.
someone who talks at a public event
B.
someone who helps people to improve at a sport, skill or school subject
C.
someone who advises people on a particular subject
D.
someone who writes books or articles
【单选题】When someone writes with ______ ink, only those people who have a special ilquid solution can bring the writing into view to discover the meaning of the message.
A.
consistent
B.
reflex
C.
obvious
D.
invisible
【多选题】负荷计算的方法宜按下列原则( )选取。
A.
用电设备台数较多，各台设备容量相差不悬殊时，宜采用需要系数法
B.
用电设备台数较少，各台设备容量相差悬殊时，宜采用二项式法
C.
在方案设计阶段可采用单位指标法
D.
在初步设计及施工图设计阶段，宜采用需要系数法
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