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Ann: Hello, Susan. Can I see you after work this week?Susan: Hello, Ann. It would be nice to see you again, but I’m quite busy this week. This afternoon I’m havinga meeting at 5.Ann: Don’t you have time tomorrow?Susan: Tomorrow is Tuesday. I’ve got to have dinner with some friends.Ann: That’s a pity. What about Wednesday?Susan: Wednesday is difficult as well. I’ve got an appointment with Mr. Peterson.Ann: Thursday then?Susan: No, Thursday is out for me, I’m afraid. I’ve got to stay in my office and do some extra work. I really must.Ann: Oh, that’s a shame. Well, I know you’ve got to go to the evening classes each Friday.Susan: That’s right. I’m sorry I can’t manage this week.Ann: It looks as if we’ll have to wait until next week then.Susan: Yes. Look, I must go now. I’ve got to meet Jack in ten minutes. Would you please give me a call next week?

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在画放大电路的直流通路时,电容可以看成(),电感可以看成()。

A. 短路,开路
B. 短路,短路
C. 开路,短路
D. 开路,开路

在画放大电路交流通路的时候,电容可以看成(),直流电源可以看成()。

A. 短路,短路
B. 短路,开路
C. 开路,短路
D. 开路,开路

放大电路的分析方法通常两种方法:( )和( )。

对一个放大电路进行定量分析时,首先进行( )分析,然后进行( )分析。

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