题目内容
（请给出正确答案）
A.Not in the least
B.By all means
C.You can’t be serious
D.Sounds great
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更多“---Dad, I’ve decided not to go…”相关的问题
The ultimate test, in my child mind, for ______ (find) out the difference between black and white, ______ (occur) one day in a bus station in Alabama. While ______ (wait) with my parents at the station. I ______ (study) the two water fountains against the far wall. Side by side they ______ (stand). A big sign above one ______ (read) “whites only”. The sign above the other fountain ______ (read) “colored only”. I ______ (decide) that once and for all I would ______ (satisfy) my curiosity about the water fountains which always ______ (carry) the signs above them. Was the water ______ (color) in the “colored only” one, or did it ______ (taste) different？ Since no one was ______ (watch) me, I ______ (slip) over and quickly ______ (take) a sip of the water in the “colored only” fountain. When I ______ (find) it ______ (be) every bit the same as the water in the “whites only” fountain, I ______ (run) back to my parents and ______ (shout), “Dad, I just ______ (drink) some water from the colored fountain and it ______ (taste) just the same as the other.” My father’s answer ______ (be) a quick, hard slap. That day I ______ (learn) not ______ (question) the difference between black and white.
A.didn't need to worry
B.mustn't have worried
C.needn't have worried
D.couldn't have worried
A.specialize
B.work
C.study
D.special
A.alternatives
B.accessories
C.artifacts
D.attributes
A.It’s time to ask the audience for questions
B.We’ve covered quite a bit in this conversation
C.That’s all
D.Thank you for taking the time to talk with me
165千欧，Rg2=35千欧，VTS=0.8V，Kn=1mA/V2， 场效应管的输出电阻rds=∞(λ=0)，电路静态工作点处VGS=1.5V。试求图题4.4.1a所示共源极电路的小信号电压增益Ar=v0/vi、源电压增益Ads=v0/ve、输入电阻Ri和输出电阻R0。
