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【单选题】
GTR 典型输出特性分为:
A.
典型输出特性分三个区:截止区、放大区和非饱和区
B.
典型输出特性分三个区:截止区、放大区和饱和区
C.
典型输出特性分三个区:截止区、线性区和非饱和区
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举一反三
【多选题】在论文写作中不正当的手段有 。
A.
剽窃
B.
抄袭
C.
造假
D.
· 引用
【单选题】There is no ____ in the bus and we have to wait for another.
A.
rooms
B.
a room
C.
room
【单选题】“二十四桥明月夜”诗句出白( )
A.
杜牧的《寄扬州韩绰判官》
B.
杜甫的《望月》
C.
李商隐 的《锦瑟》
D.
李白的《赠汪伦》
【简答题】While we_1___(wait) for the bus, a girl_2___( run) up to us.
【多选题】在论文写作中不正当的手段有
A.
造假
B.
剽窃
C.
引用
D.
抄袭
【多选题】在论文写作中不正当的手段有:
A.
造假
B.
剽窃
C.
抄袭
D.
引用
【简答题】稳压电源电路如图所示,(1) 该电路输出电压U0值为多少伏?(2) 若测得UC=12V,问U2值为多少?(3)若已知U2=20V,并测得UC=18V,分析电路发生了什么的故障?
【简答题】Rewrite the following passage, giving the sentences some variety in length and structure I got up a little later than usual on Sunday morning. I washed and had a quick breakfast. Then I started going ...
【简答题】电路如图所示,已知 R 1 =10kΩ ,R 2 =20k Ω ,若 u i =1V,则u O =A. -2 V      B.        C.       D. B. -1.5 V C. +0.5 V D. -0.5 V
【简答题】Task 4Rewrite the following passage , giving thesentences some variety in length and structure: 1. I got up alittle later than usual on Sunday morning. I washed and had a quick breakfast. Then I start...
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