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图题2—23所示为一高频小信号放大电路的交流等效电路，已知工作频率为10．7MHz，线圈初级的电感量为4μH，Q0=100，插入系数n1=n2=0．25，负载电导gL=1mS，放大器的参数为：|yfe|=50mS，goe=200μS。试求放大器的电压放大倍数与通频带。
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举一反三
【单选题】With stereotypes, people tend to______.
A.
react to each other on a regular basis
B.
describe other cultures with labels
C.
take their own culture as the best of all
D.
see different cultures in different ways
【多选题】How do young people in their odyssey years react?
A.
They resent the pressure they feel.
B.
They keep a distance from parents.
C.
They resort to computer games.
D.
They react with rebellious attitudes.
【单选题】We modem people's bodies react to stress in different ways from our ancestors' bodies did.
A.
Y
B.
N
C.
NG
【简答题】That is the day ________ I'll never forget. A．which B．on which C．in which D．when
【单选题】How do some people react to womens appropriation of mens language forms as reported in the Japanese media?
A.
They call for a campaign to stop the defeminization.
B.
They see it as an expression of womens sentiment.
C.
They accept it as a modem trend.
D.
They express strong disapproval.
【判断题】照明设计的布局、深化表达 指按照一定的照明方式结合室内空间的装置效果,进行灯具形式的组织和安排。位置安排不仅要考虑基础知识等方面 , 还要考虑消防系统 、 空调系统 、 新风系统等其他安装工程构建的合理避让,在初步设置阶段 。 灯具 的布置 密度可以根据常规做法来定 , 是否合宜可以在计算之后再次确定。 完成后运用相关软件完成表现。
A.
正确
B.
错误
【单选题】We Modern people's bodies react to stress in different ways from our ancestors' bodies did.
A.
Y
B.
N
C.
NG
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