What classes is the man taking this term？
A. Biology and German.
B. Maths and English.
C. English and German.
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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.
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.
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