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【单选题】
某负反馈放大电路的开环增益A=103,反馈系数F=0.1,试问其闭环增益 ≈( )。A.
100
B.
10
C.
99
D.
1000
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反馈参考答案：
举一反三
【单选题】It was obvious that she was not going home.
A.
evident
B.
necessary
C.
possible
D.
probable
【单选题】It was obvious that she was not going home.
A.
probable
B.
necessary
C.
possible
D.
evident
【单选题】It was when she lived with him that she found out the darker side to his ________.
A.
integrity
B.
optimism
C.
character
D.
confidence
【简答题】Anne-Marie Garrard was shocked when it was announced that she had won the Personal Assistant of the Year award."The other __31__ seemed to be very strong, and I have to say I found the selection reall...
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