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【简答题】
为什么价值尺度和流通手段的统一就是货币?
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反馈参考答案：
举一反三
【单选题】如图所示,已知U S1 =90V,U S2 =60V,R 1 =6 W , R 2 =12 W , R 3 =36 W ,用叠加定理计算 I 1 为( )
A.
4A
B.
2A
C.
1A
D.
3A
【简答题】Despite increasing its turnover, this company was unable to keep its strong market share, which, like its share price, ended below its 2006 level.
【单选题】如图所示某电路中的部分电路,各已知的电流及元件值已标示在图中电压源 U S 、电流 I 和电阻 R 分别为 ( )
A.
90V 、 1A 、 1.5Ω
B.
-90V 、 1A 、 1Ω
C.
9V 、 -1A 、 2.5Ω
D.
-9V 、 1A 、 3Ω
【单选题】Despite its efforts, the newspaper industry still cannot satisfy the readers owing to its ______.
A.
failure to realize its real problem
B.
tendency to hire annoying reporters
C.
likeliness to do inaccurate reporting
D.
prejudice in matters of race and gender
【单选题】如图所示,已知U S1 =90V,U S2 =60V,R 1 =6 W , R 2 =12 W , R 3 =36 W ,用叠加定理计算 I 2 为( )
A.
2A
B.
-2A
C.
-1A
D.
3A
【单选题】Despite its efforts, he newspaper industry still cannot satisfy the readers owing to its______.
A.
failure to realize its real problem
B.
tendency to hire annoying reporters
C.
likeliness to do inaccurate reporting
D.
prejudice in matters of race and gender
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