题目内容

多级放大电路（不失真）的放大倍数约等于（）。

A. 单级放大倍数相加
B. 单级放大倍数相乘
C. 单级放大倍数相减

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采用阻容耦合的放大电路，前后级的静态工作点互相影响

A. 对
B. 错

Fill in the blanks with the right form of the following words.mental tropical quit submit manufacture1.Theytheir reports yesterday.2.The factory is now trying to a new model.3.They do serious harm torainforest.4.The ordeal has affected both her and physical health.5. He the show last year because of bad health.

实践性环节课程成绩可按几级制记分？

A. 五
B. 九
C. 三
D. 十

平时成绩比例上限不超过多少?

A. 30%
B. 40%
C. 50%
D. 60%