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【多选题】
下列经济业务,不需要编制银行存款收款凭证的有( )
A.
以银行存款购入原材料
B.
车间领用原材料投入产品生产
C.
销售产品收款存入银行
D.
产品完工验收入库
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【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
【简答题】评析《天朝田亩制度》
【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=?
【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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