On which days next week will the man have examinations？
A. Every day except Thursday.
B. Monday, Tuesday, and Friday.
C. Monday, Wednesday, and Friday.
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Where is this conversation taking place？
A. In a kitchen.
B. In a garden.
C. In a park.
放大电路产生零点漂移的主要原因是_________。
A. 采用了直接耦合方式
B. 采用了阻容耦合方式
C. 采用了正、负双电源供电
D. 增益太大
Who was introduced？
A. You.
B. I.
C. Jane.
在由NPN型BJT组成的单管共发射极放大电路中，如静态工作点过高，容易产生_______失真。
A. 截止失真
B. 饱和失真
C. 双向失真
D. 线性失真
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