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【单选题】
为了使放大电路输出电压稳定且输入电阻增大,应引入的反馈是( )。A.
电流并联负反馈
B.
电压串联负反馈
C.
电流并联负反馈
D.
电压并联负反馈
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皮皮学刷刷变学霸
举一反三
【单选题】“探戈”是阿根廷的一种城市舞蹈,探戈舞曲的音乐特点是:
A.
运用多种多样的切分音，旋律悠扬、徐缓深沉、节奏强烈。
B.
旋律多采用以五声调式，淳朴含蓄，节奏平缓。
C.
节奏复杂多变、强烈奔放。
【单选题】He was not a good leader so I was unwilling to____ myself to his orders. [ ]
A.
order
B.
submit
C.
follow
D.
take
【简答题】You may know the song Happy Birthday very well. But do you know who wrote this song and for whom it was written? Let me tell you a story. About one hundred years ago, there was a girl called Kate in t...
【单选题】Do you know ______at the bus stop?
A.
whom they are waiting for
B.
who they are waiting
C.
whom are they waiting for
D.
who are they waiting
【判断题】With property, the owner would become so selfish that he was even unwilling to share blackberries with others.
A.
正确
B.
错误
【简答题】He spent so many ______________(forget) days with them that he was unwilling to part with them.
【单选题】Do you know the boy_________ father died in the fire?
A.
who
B.
which
C.
whose
D.
whom
【单选题】David thought failing in examination as ______, so he was unwilling to go out with classmates.
A.
humiliation
B.
humility
C.
humidity
D.
humanity
【单选题】Do you know the man ____ my teacher just shook hands?
A.
to whom
B.
whom
C.
whose
D.
with whom
相关题目：
【简答题】He spent so many ______________(forget) days with them that he was unwilling to part with them.