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【单选题】
在一个封闭经济中,自主消费为1亿,自主投资为1亿,政府购买为1亿,边际消费倾向为0.75。则在收入支出模型分析中,均衡国民收入水平是
A.
3亿
B.
9亿
C.
12亿
D.
13.5亿
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【简答题】Paraphrase: The new ruling class had built a cultural barrier against him by building their French against his own language. ... English had come royally into its own.
【单选题】在RLC 串联正弦交流电路中,当端电压与电流同相时,频率与参数的关系满足 ( )
A.
增大电阻R,就可改变电路的谐振频率
B.
调小电容,电路的感性增强
C.
调大电容,电路的性质不变
D.
调小电感,电路的容性增强
【单选题】The new ruling class had built a cultural barrier against him by building their French against his own language.
A.
The new ruling class used their French to against his language, thus they build a cultural barrier.
B.
The new ruling class used French to fight against Saxon peasants'English, thus it made it difficult for the peasants to accept the language and the culture of the rulers.
C.
The new ruling class used French to fight against Saxon peasants'English, thus it made it difficult for the French to accept the language and the culture of the rulers.
【判断题】在RLC串联电路中,端电压与电流的相位关系是由R、L、C的大小决定的。( )
A.
正确
B.
错误
【判断题】在RLC串联电路中,总电压和总电流之间的相位差只决定于电路中电抗与电阻的比值,而与电压和电流的大小无关。
A.
正确
B.
错误
【简答题】The new ruling class had built a cultural barrier...his own language. (Para. 11)
【简答题】The new ruling class had built a cultural barrier against him by building their French against his own language.
【简答题】What does the following sentence mean? The new ruling class had built a cultural barrier against him by building their French against his own language. (Para. 11)
【简答题】在RLC串联交流电路中,总电压与各分电压之间的大小关系是U=_________,电路中的总阻抗Z=___________,视在功率、有功功率、无功功率之间的关系为S=_____________。
【简答题】如图,在△ABC中,∠A=80°,∠B=60°,则∠1= .
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