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【单选题】
同相比例运算电路中，电路引入的反馈类型是（ ）。A.
电压串联负反馈
B.
电流串联负反馈
C.
电压并联负反馈
D.
电流并联负反馈
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反馈参考答案：
举一反三
【简答题】如何理解中国梦的实质?
【单选题】It does not change the fact that he was the man ____________ for the death of the little girl.
A.
accounting
B.
guilty
C.
responsible
D.
obliged
【判断题】An inflectional morpheme does not change the grammatical class of the word.()
A.
正确
B.
错误
【简答题】You go there when you are ill.
【单选题】In terms of the scale of the change, what does the author consider the present change?
A.
As a revolution.
B.
As being superficial.
C.
As being inestimable.
D.
As one of the old changes.
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