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D. Complete the passage, choosing the correct possessive adjectives or personal pronouns.My family and I have just moved to this town. 1. __________ (We/Us) really like it here. I love 2. __________ (we/our) new house. It is very near the college so I don’t need to use 3. __________ (me/my) car every day. Tonight, I am visiting my new friend, Kim. She lives near 4. __________ (me/my). 5 __________ (Her/She) mom is a good cook, so I am looking forward to eating dinner there!

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B. Match the words to the definitions.

某测量放大电路,要求输入电阻高,输出电流iO稳定,应引入()。

A. 串联电压负反馈
B. 串联电流负反馈
C. 并联电压负反馈
D. 并联电流负反馈

负反馈()放大电路内部出现的干扰信号。

A. 能抑制
B. 不能抑制
C. 不确定能否抑制
D. 增大

电路中引入负反馈后,其放大倍数要降低。

A. 对
B. 错

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