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【单选题】
The house won’t certainly sell ____ the fact that it’s overpriced.
A.
in spite of
B.
because of
C.
in addition to
D.
but for
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参考答案:
举一反三
【单选题】放大电路若要增大输出电阻,应该引入:
A.
电压负反馈
B.
电流负反馈
C.
串联负反馈
D.
并联负反馈
【单选题】They have opportunities to learn from professors they()would not be able to access.
A.
therefore
B.
or
C.
otherwise
【单选题】Many engineering professors may not have time to prepare material for class discussion on professional ethics.
A.
Right
B.
Wrong
C.
Not mentioned
【单选题】要稳定输出电压,增大输入电阻,应该引入的负反馈类型是
A.
电压串联负反馈
B.
电压并联负反馈
C.
电流串联负反馈
D.
电流并联负反馈
【单选题】要增大输入电阻而减小输入电阻,应该引入( )负反馈
A.
串联电压
B.
串联电流
C.
并联电压;并联电流
【简答题】某放大器想要增大输入电阻,则应该引入( )负反馈;某放大器想要减小输入电阻,则应该引入( )负反馈;
【单选题】要增大输入电阻而减小输出电阻,应该引入( )负反馈。
A.
串联电压
B.
串联电流
C.
并联电压
D.
并联电流
【简答题】放大电路中若要提高电路的输入电阻,应该引入_____负反馈;若要减少输入电阻应该引入____负反馈;若要增大输出电阻,应该引入___负反馈。
【单选题】要增大输入电阻而减小输入电阻,应该引入( )负反馈。
A.
串联电压
B.
串联电流
C.
并联电压
D.
并联电流
【单选题】Several engineering professors have quit from teaching to protest against the creation of a new course in engineering ethics.
A.
Right
B.
Wrong
C.
Not mentioned
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