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搜题
【单选题】
纳税人所在地不在城市市区、县城、建制镇的,税率为( )。
A.
1%
B.
3%
C.
5%
D.
7%
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举一反三
【单选题】随机产生 [10,50] 之间整数的正确表达式是
A.
Round( Rnd*50)
B.
Int(Rnd*40+10)
C.
Round( Rnd*51)
D.
10+Int(Rnd*41)
【单选题】随机产生 [10,50] 之间整数的正确表达式是( )
A.
Round(Rnd*51)
B.
Int(Rnd*40+10)
C.
Round(Rnd*50)
D.
10+Int(Rnd*41)
【多选题】高温天气发现水箱开锅,严重缺水时,驾驶员应( )。
A.
立即停车
B.
发动机怠速运转
C.
马上加水
D.
待水温降低后再熄火加水
【单选题】— Do you know why she Mr. Jordan tomorrow ? — She has changed her mind .
A.
won't visit
B.
didn't visit
C.
doesn't visit
D.
hasn't visited
【单选题】Do you know why she looksso ? —She got high marks in the final examinations.
A.
cheerful
B.
sad
C.
angry
D.
confused
【单选题】Do you know why she ___ at home last night? [     ]
A.
isn't
B.
wasn't
C.
not
D.
not in
【单选题】随机产生[10,50]之间的整数的正确表达式是( )
A.
Round(Rnd*51)
B.
10+Int(Rnd*41)
C.
Round(Rnd*50)
D.
Int(Rnd*40+10)
【单选题】— Do you know why she Mr. Wang tomorrow ? — She has changed her mind .
A.
won't visit
B.
didn't visit
C.
doesn't visit
D.
hasn't visited
【简答题】测得放大电路中三只晶体管的直流电位如图 所示。在圆圈中画出管子,并分别说明它们是硅管还是锗管。
【简答题】测得放大电路中三只晶体管的直流对地点位如图 所示。试判别管子的三个管脚,是硅管还是锗管?是 NPN 型还是 PNP 型?在圆圈中画出管子符号。
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