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【单选题】
党的十九大报告第二部分指出,我们带领人民找到了一条以农村包围城市、武装夺取政权的正确革命道路,进行了二十八年浴血奋战,完成了_____。
A.
社会主义革命
B.
共产主义革命
C.
新民主主义革命
D.
土地革命
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参考答案:
举一反三
【单选题】在图2-1中,UCC=12V,RC=3KΩ,β=50,UBE可忽略,若使UCE=6V,则RB应为(  )
A.
360 KΩ
B.
300 KΩ
C.
600 KΩ
【判断题】国家标准规定,孔只是指圆柱形的内表面。
A.
正确
B.
错误
【单选题】听力原文:W: How can I go to the Summer Palace? M: Go straight ahead.and you'll see a bus stop there. Q: How does the woman go to the Summer Palace? (17)
A.
By car.
B.
By bus.
C.
By bike.
【简答题】图1所示基本共射放大电路中,已知 Ucc=12V, UBE= O. 7V, Rc = 3kΩ,β=50,rbb' =300Ω, C1和C2足够大。试求: (1)若静态时Uceq=6V ,Rb =? (2)不接负载时Au=? (3)若Rl=3kΩ,Au=?
【判断题】国家标准规定,孔只是指圆柱形内表面
A.
正确
B.
错误
【单选题】How do you understand metaphorically that Robert Frost enjoys “the straight crookedness of a good walking stick” in his metrical design?
A.
It means that Frost enjoys writing poetry with a tone that is crookedly straight.
B.
It means that Frost enjoys combining poetic meters with his speaking tone of voice in his poetry.
C.
It means that Frost enjoys writing poetry with a tone that is straightly crooked.
D.
It means that Frost enjoys writing poetry with a meter that is of straight crookedness.
【简答题】三极管接成图2-5所示电路,已知在图2-5(a)中,β=50,R b =475kΩ,R c =3kΩ,U CC =+15V。在图2-5(b)中,β=100,R b =260kΩ,R c =2kΩ,R e =500Ω,U CC =+10V。设三极管的U BE =0.7V,求电路的静态工作点。
【简答题】如何评价《天朝田亩制度》?
【单选题】在图2-1中,UCC=12V,RC=3KΩ,β=50,UBE可忽略,若使IC=1.5mA,则RB应为(  )。
A.
360 KΩ
B.
600 KΩ
C.
400 KΩ
【简答题】How do straight-A students schedule their time ?
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