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【单选题】
欲减小电路从信号源索取的电流,并增强电路带负载的能力,放大电路中引入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
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反馈参考答案：
举一反三
【简答题】a. 1 not working or producing anything 不工作的;空闲的2 not serious, or not done with any definite intention 不认真的;漫无目的的
【简答题】一价定律与购买力平价定律:
【简答题】i____ a.1 not working or producing anything 不工作的;空闲的 2 not serious, or not done with anydefinite intention 不认真的;漫无目的的
【简答题】The writer doesn’t mind the occasional er of his job because ________. A. He travels to unusual places and meets interesting people from all over the world B. He likes the different ways of workin...
【简答题】一价定律 名词解释
【简答题】Write out the sentences below. Put the verbs in the positive or negative forms of the Present Continuous. Use short forms (e.g. I’m, I’m not). For example: I (not/work) at the bank now. I (study) Fren...
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