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【单选题】
为了增大放大电路的输出电阻,应该引入 负反馈。A.
电压
B.
电流
C.
串联
D.
并联
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反馈参考答案：
举一反三
【单选题】It can be known from the passage that ______.
A.
the writer cares a lot about her own feeling
B.
the writer's husband knows how to satisfy his wife
C.
the writer's friend is a selfish person
D.
the writer had intended to attend her friend's wedding
【单选题】传菜部是中餐厅前台和后台沟通协作的枢纽,负责控制出菜节奏、顺序和质量,一般从事画单控制的人员是()。
A.
餐厅经理
B.
餐厅主管
C.
传菜部主管或领班
D.
传菜部师傅或徒弟
【简答题】顶棚抹灰层与基层之间及抹灰层之间必须_______ ,无脱层、空鼓。
【简答题】After her husband had gone to work, Mrs. Richards sent her children to school and went upstairs to her bedroom. She was too excited to do any housework that morning, for in the evening she would be go...
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